Finding the Fourth Proportional to 42,637,799.38, 63,942,377.86 and 13,877,171.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,637,799.38 : 63,942,377.86 = 13,877,171.24 : x
2. Step 2: Convert to fraction form
   42,637,799.38/63,942,377.86 = 13,877,171.24/x
3. Step 3: Cross multiply
   42,637,799.38x = 63,942,377.86 × 13,877,171.24
4. Step 4: Simplify right side
   42,637,799.38x = 887,339,327,056,004.75
5. Step 5: Solve for x
   x = 887,339,327,056,004.75/42,637,799.38
6. Step 6: Final answer
   x = 20,811,095.79