Finding the Fourth Proportional to 76,151.83, 105,086.10 and 42,157.92

Step by Step Solution

1. Step 1: Write the proportion equation
   76,151.83 : 105,086.10 = 42,157.92 : x
2. Step 2: Convert to fraction form
   76,151.83/105,086.10 = 42,157.92/x
3. Step 3: Cross multiply
   76,151.83x = 105,086.10 × 42,157.92
4. Step 4: Simplify right side
   76,151.83x = 4,430,211,396.91
5. Step 5: Solve for x
   x = 4,430,211,396.91/76,151.83
6. Step 6: Final answer
   x = 58,176.04