Finding the Fourth Proportional to 174,353.12, 261,490.76 and 80,846.72

Step by Step Solution

1. Step 1: Write the proportion equation
   174,353.12 : 261,490.76 = 80,846.72 : x
2. Step 2: Convert to fraction form
   174,353.12/261,490.76 = 80,846.72/x
3. Step 3: Cross multiply
   174,353.12x = 261,490.76 × 80,846.72
4. Step 4: Simplify right side
   174,353.12x = 21,140,670,256.31
5. Step 5: Solve for x
   x = 21,140,670,256.31/174,353.12
6. Step 6: Final answer
   x = 121,252.03