Finding the Fourth Proportional to 111,059,490.28, 166,372,281.18 and 76,509,789.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,059,490.28 : 166,372,281.18 = 76,509,789.16 : x
2. Step 2: Convert to fraction form
   111,059,490.28/166,372,281.18 = 76,509,789.16/x
3. Step 3: Cross multiply
   111,059,490.28x = 166,372,281.18 × 76,509,789.16
4. Step 4: Simplify right side
   111,059,490.28x = 12,729,108,155,150,036
5. Step 5: Solve for x
   x = 12,729,108,155,150,036/111,059,490.28
6. Step 6: Final answer
   x = 114,615,222.19