Finding the Fourth Proportional to 76,359.92, 105,396.73 and 42,836.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,359.92 : 105,396.73 = 42,836.72 : x
2. Step 2: Convert to fraction form
   76,359.92/105,396.73 = 42,836.72/x
3. Step 3: Cross multiply
   76,359.92x = 105,396.73 × 42,836.72
4. Step 4: Simplify right side
   76,359.92x = 4,514,849,577.85
5. Step 5: Solve for x
   x = 4,514,849,577.85/76,359.92
6. Step 6: Final answer
   x = 59,125.91