Finding the Fourth Proportional to 127,470.96, 191,180.52 and 121,148.10

Step by Step Solution

1. Step 1: Write the proportion equation
   127,470.96 : 191,180.52 = 121,148.10 : x
2. Step 2: Convert to fraction form
   127,470.96/191,180.52 = 121,148.10/x
3. Step 3: Cross multiply
   127,470.96x = 191,180.52 × 121,148.10
4. Step 4: Simplify right side
   127,470.96x = 23,161,156,755.01
5. Step 5: Solve for x
   x = 23,161,156,755.01/127,470.96
6. Step 6: Final answer
   x = 181,697.52