Finding the Fourth Proportional to 111,726,533.26, 154,159,508.64 and 65,307,808.18

Step by Step Solution

1. Step 1: Write the proportion equation
   111,726,533.26 : 154,159,508.64 = 65,307,808.18 : x
2. Step 2: Convert to fraction form
   111,726,533.26/154,159,508.64 = 65,307,808.18/x
3. Step 3: Cross multiply
   111,726,533.26x = 154,159,508.64 × 65,307,808.18
4. Step 4: Simplify right side
   111,726,533.26x = 10,067,819,619,384,172
5. Step 5: Solve for x
   x = 10,067,819,619,384,172/111,726,533.26
6. Step 6: Final answer
   x = 90,111,268.34