Finding the Fourth Proportional to 118,098.72, 177,250.46 and 61,978.48

Step by Step Solution

1. Step 1: Write the proportion equation
   118,098.72 : 177,250.46 = 61,978.48 : x
2. Step 2: Convert to fraction form
   118,098.72/177,250.46 = 61,978.48/x
3. Step 3: Cross multiply
   118,098.72x = 177,250.46 × 61,978.48
4. Step 4: Simplify right side
   118,098.72x = 10,985,714,090.10
5. Step 5: Solve for x
   x = 10,985,714,090.10/118,098.72
6. Step 6: Final answer
   x = 93,021.45