Finding the Fourth Proportional to 111,726,532.26, 154,159,507.26 and 65,307,807.18

Step by Step Solution

1. Step 1: Write the proportion equation
   111,726,532.26 : 154,159,507.26 = 65,307,807.18 : x
2. Step 2: Convert to fraction form
   111,726,532.26/154,159,507.26 = 65,307,807.18/x
3. Step 3: Cross multiply
   111,726,532.26x = 154,159,507.26 × 65,307,807.18
4. Step 4: Simplify right side
   111,726,532.26x = 10,067,819,375,099,890
5. Step 5: Solve for x
   x = 10,067,819,375,099,890/111,726,532.26
6. Step 6: Final answer
   x = 90,111,266.96