Finding the Fourth Proportional to 37,724,538, 52,059,862.98 and 20,555,130

Step by Step Solution

1. Step 1: Write the proportion equation
   37,724,538 : 52,059,862.98 = 20,555,130 : x
2. Step 2: Convert to fraction form
   37,724,538/52,059,862.98 = 20,555,130/x
3. Step 3: Cross multiply
   37,724,538x = 52,059,862.98 × 20,555,130
4. Step 4: Simplify right side
   37,724,538x = 1,070,097,251,336,087.38
5. Step 5: Solve for x
   x = 1,070,097,251,336,087.38/37,724,538
6. Step 6: Final answer
   x = 28,366,079.69