Finding the Fourth Proportional to 118,215.55, 163,122.86 and 75,200.00

Step by Step Solution

1. Step 1: Write the proportion equation
   118,215.55 : 163,122.86 = 75,200.00 : x
2. Step 2: Convert to fraction form
   118,215.55/163,122.86 = 75,200.00/x
3. Step 3: Cross multiply
   118,215.55x = 163,122.86 × 75,200.00
4. Step 4: Simplify right side
   118,215.55x = 12,266,838,444.39
5. Step 5: Solve for x
   x = 12,266,838,444.39/118,215.55
6. Step 6: Final answer
   x = 103,766.71