Finding the Fourth Proportional to 82,687,460.14, 124,042,540.74 and 28,085,387.02

Step by Step Solution

1. Step 1: Write the proportion equation
   82,687,460.14 : 124,042,540.74 = 28,085,387.02 : x
2. Step 2: Convert to fraction form
   82,687,460.14/124,042,540.74 = 28,085,387.02/x
3. Step 3: Cross multiply
   82,687,460.14x = 124,042,540.74 × 28,085,387.02
4. Step 4: Simplify right side
   82,687,460.14x = 3,483,782,764,067,293.50
5. Step 5: Solve for x
   x = 3,483,782,764,067,293.50/82,687,460.14
6. Step 6: Final answer
   x = 42,131,935.82