Finding the Fourth Proportional to 78,750.91, 108,678.54 and 42,941.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,750.91 : 108,678.54 = 42,941.62 : x
2. Step 2: Convert to fraction form
   78,750.91/108,678.54 = 42,941.62/x
3. Step 3: Cross multiply
   78,750.91x = 108,678.54 × 42,941.62
4. Step 4: Simplify right side
   78,750.91x = 4,666,832,566.83
5. Step 5: Solve for x
   x = 4,666,832,566.83/78,750.91
6. Step 6: Final answer
   x = 59,260.68