Finding the Fourth Proportional to 10,389,570.54, 15,587,719.68 and 4,997,519.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,389,570.54 : 15,587,719.68 = 4,997,519.31 : x
2. Step 2: Convert to fraction form
   10,389,570.54/15,587,719.68 = 4,997,519.31/x
3. Step 3: Cross multiply
   10,389,570.54x = 15,587,719.68 × 4,997,519.31
4. Step 4: Simplify right side
   10,389,570.54x = 77,899,930,099,667.02
5. Step 5: Solve for x
   x = 77,899,930,099,667.02/10,389,570.54
6. Step 6: Final answer
   x = 7,497,897.03