Finding the Fourth Proportional to 21,427,234,769.96, 29,542,134,575.98 and 17,550,488,667.28

Step by Step Solution

1. Step 1: Write the proportion equation
   21,427,234,769.96 : 29,542,134,575.98 = 17,550,488,667.28 : x
2. Step 2: Convert to fraction form
   21,427,234,769.96/29,542,134,575.98 = 17,550,488,667.28/x
3. Step 3: Cross multiply
   21,427,234,769.96x = 29,542,134,575.98 × 17,550,488,667.28
4. Step 4: Simplify right side
   21,427,234,769.96x = 518,478,898,082,997,600,256
5. Step 5: Solve for x
   x = 518,478,898,082,997,600,256/21,427,234,769.96
6. Step 6: Final answer
   x = 24,197,191,268.46