Finding the Fourth Proportional to 82,589,898.57, 113,941,803.81 and 47,288,839.02

Step by Step Solution

1. Step 1: Write the proportion equation
   82,589,898.57 : 113,941,803.81 = 47,288,839.02 : x
2. Step 2: Convert to fraction form
   82,589,898.57/113,941,803.81 = 47,288,839.02/x
3. Step 3: Cross multiply
   82,589,898.57x = 113,941,803.81 × 47,288,839.02
4. Step 4: Simplify right side
   82,589,898.57x = 5,388,175,618,019,513
5. Step 5: Solve for x
   x = 5,388,175,618,019,513/82,589,898.57
6. Step 6: Final answer
   x = 65,240,128.77