Finding the Fourth Proportional to 127,401.42, 191,077.02 and 121,079.10

Step by Step Solution

1. Step 1: Write the proportion equation
   127,401.42 : 191,077.02 = 121,079.10 : x
2. Step 2: Convert to fraction form
   127,401.42/191,077.02 = 121,079.10/x
3. Step 3: Cross multiply
   127,401.42x = 191,077.02 × 121,079.10
4. Step 4: Simplify right side
   127,401.42x = 23,135,433,612.28
5. Step 5: Solve for x
   x = 23,135,433,612.28/127,401.42
6. Step 6: Final answer
   x = 181,594.79