Finding the Fourth Proportional to 83,236,139.10, 116,721,913.50 and 83,236,139.10

Step by Step Solution

1. Step 1: Write the proportion equation
   83,236,139.10 : 116,721,913.50 = 83,236,139.10 : x
2. Step 2: Convert to fraction form
   83,236,139.10/116,721,913.50 = 83,236,139.10/x
3. Step 3: Cross multiply
   83,236,139.10x = 116,721,913.50 × 83,236,139.10
4. Step 4: Simplify right side
   83,236,139.10x = 9,715,481,428,104,168
5. Step 5: Solve for x
   x = 9,715,481,428,104,168/83,236,139.10
6. Step 6: Final answer
   x = 116,721,913.50