Finding the Fourth Proportional to 42,059,288.05, 63,094,836.98 and 13,302,425.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,059,288.05 : 63,094,836.98 = 13,302,425.05 : x
2. Step 2: Convert to fraction form
   42,059,288.05/63,094,836.98 = 13,302,425.05/x
3. Step 3: Cross multiply
   42,059,288.05x = 63,094,836.98 × 13,302,425.05
4. Step 4: Simplify right side
   42,059,288.05x = 839,314,339,901,906.25
5. Step 5: Solve for x
   x = 839,314,339,901,906.25/42,059,288.05
6. Step 6: Final answer
   x = 19,955,505.16