Finding the Fourth Proportional to 78,301.92, 108,056.93 and 42,491.92

Step by Step Solution

1. Step 1: Write the proportion equation
   78,301.92 : 108,056.93 = 42,491.92 : x
2. Step 2: Convert to fraction form
   78,301.92/108,056.93 = 42,491.92/x
3. Step 3: Cross multiply
   78,301.92x = 108,056.93 × 42,491.92
4. Step 4: Simplify right side
   78,301.92x = 4,591,546,425.01
5. Step 5: Solve for x
   x = 4,591,546,425.01/78,301.92
6. Step 6: Final answer
   x = 58,639.00