Finding the Fourth Proportional to 76,452.31, 105,507.72 and 42,460.96

Step by Step Solution

1. Step 1: Write the proportion equation
   76,452.31 : 105,507.72 = 42,460.96 : x
2. Step 2: Convert to fraction form
   76,452.31/105,507.72 = 42,460.96/x
3. Step 3: Cross multiply
   76,452.31x = 105,507.72 × 42,460.96
4. Step 4: Simplify right side
   76,452.31x = 4,479,959,078.61
5. Step 5: Solve for x
   x = 4,479,959,078.61/76,452.31
6. Step 6: Final answer
   x = 58,598.09