Finding the Fourth Proportional to 42,384,325,837.76, 63,588,894,834.86 and 13,667,165,171.90

Step by Step Solution

1. Step 1: Write the proportion equation
   42,384,325,837.76 : 63,588,894,834.86 = 13,667,165,171.90 : x
2. Step 2: Convert to fraction form
   42,384,325,837.76/63,588,894,834.86 = 13,667,165,171.90/x
3. Step 3: Cross multiply
   42,384,325,837.76x = 63,588,894,834.86 × 13,667,165,171.90
4. Step 4: Simplify right side
   42,384,325,837.76x = 869,079,928,806,292,455,424
5. Step 5: Solve for x
   x = 869,079,928,806,292,455,424/42,384,325,837.76
6. Step 6: Final answer
   x = 20,504,748,197.08