Finding the Fourth Proportional to 118,889.48, 163,935.69 and 75,800.72

Step by Step Solution

1. Step 1: Write the proportion equation
   118,889.48 : 163,935.69 = 75,800.72 : x
2. Step 2: Convert to fraction form
   118,889.48/163,935.69 = 75,800.72/x
3. Step 3: Cross multiply
   118,889.48x = 163,935.69 × 75,800.72
4. Step 4: Simplify right side
   118,889.48x = 12,426,443,335.70
5. Step 5: Solve for x
   x = 12,426,443,335.70/118,889.48
6. Step 6: Final answer
   x = 104,520.97