Finding the Fourth Proportional to 118,100.72, 177,253.46 and 61,980.48

Step by Step Solution

1. Step 1: Write the proportion equation
   118,100.72 : 177,253.46 = 61,980.48 : x
2. Step 2: Convert to fraction form
   118,100.72/177,253.46 = 61,980.48/x
3. Step 3: Cross multiply
   118,100.72x = 177,253.46 × 61,980.48
4. Step 4: Simplify right side
   118,100.72x = 10,986,254,532.46
5. Step 5: Solve for x
   x = 10,986,254,532.46/118,100.72
6. Step 6: Final answer
   x = 93,024.45