Finding the Fourth Proportional to 174,359.12, 261,499.76 and 80,852.72

Step by Step Solution

1. Step 1: Write the proportion equation
   174,359.12 : 261,499.76 = 80,852.72 : x
2. Step 2: Convert to fraction form
   174,359.12/261,499.76 = 80,852.72/x
3. Step 3: Cross multiply
   174,359.12x = 261,499.76 × 80,852.72
4. Step 4: Simplify right side
   174,359.12x = 21,142,966,875.35
5. Step 5: Solve for x
   x = 21,142,966,875.35/174,359.12
6. Step 6: Final answer
   x = 121,261.03