Finding the Fourth Proportional to 83,952.78, 125,314.94 and 73,988.57

Step by Step Solution

1. Step 1: Write the proportion equation
   83,952.78 : 125,314.94 = 73,988.57 : x
2. Step 2: Convert to fraction form
   83,952.78/125,314.94 = 73,988.57/x
3. Step 3: Cross multiply
   83,952.78x = 125,314.94 × 73,988.57
4. Step 4: Simplify right side
   83,952.78x = 9,271,872,213.72
5. Step 5: Solve for x
   x = 9,271,872,213.72/83,952.78
6. Step 6: Final answer
   x = 110,441.52