Finding the Fourth Proportional to 76,148.96, 105,086.96 and 42,614.88

Step by Step Solution

1. Step 1: Write the proportion equation
   76,148.96 : 105,086.96 = 42,614.88 : x
2. Step 2: Convert to fraction form
   76,148.96/105,086.96 = 42,614.88/x
3. Step 3: Cross multiply
   76,148.96x = 105,086.96 × 42,614.88
4. Step 4: Simplify right side
   76,148.96x = 4,478,268,189.96
5. Step 5: Solve for x
   x = 4,478,268,189.96/76,148.96
6. Step 6: Final answer
   x = 58,809.32