Finding the Fourth Proportional to 116,061,538.77, 160,165,963.74 and 63,139,399.60

Step by Step Solution

1. Step 1: Write the proportion equation
   116,061,538.77 : 160,165,963.74 = 63,139,399.60 : x
2. Step 2: Convert to fraction form
   116,061,538.77/160,165,963.74 = 63,139,399.60/x
3. Step 3: Cross multiply
   116,061,538.77x = 160,165,963.74 × 63,139,399.60
4. Step 4: Simplify right side
   116,061,538.77x = 10,112,782,786,543,528
5. Step 5: Solve for x
   x = 10,112,782,786,543,528/116,061,538.77
6. Step 6: Final answer
   x = 87,132,937.35