Finding the Fourth Proportional to 111,126.46, 153,354.24 and 60,139

Step by Step Solution

1. Step 1: Write the proportion equation
   111,126.46 : 153,354.24 = 60,139 : x
2. Step 2: Convert to fraction form
   111,126.46/153,354.24 = 60,139/x
3. Step 3: Cross multiply
   111,126.46x = 153,354.24 × 60,139
4. Step 4: Simplify right side
   111,126.46x = 9,222,570,639.36
5. Step 5: Solve for x
   x = 9,222,570,639.36/111,126.46
6. Step 6: Final answer
   x = 82,991.67