Finding the Fourth Proportional to 80,123.48, 120,152.41 and 35,719.86

Step by Step Solution

1. Step 1: Write the proportion equation
   80,123.48 : 120,152.41 = 35,719.86 : x
2. Step 2: Convert to fraction form
   80,123.48/120,152.41 = 35,719.86/x
3. Step 3: Cross multiply
   80,123.48x = 120,152.41 × 35,719.86
4. Step 4: Simplify right side
   80,123.48x = 4,291,827,488.13
5. Step 5: Solve for x
   x = 4,291,827,488.13/80,123.48
6. Step 6: Final answer
   x = 53,565.17