Finding the Fourth Proportional to 78,351.40, 108,124.59 and 42,541.12

Step by Step Solution

1. Step 1: Write the proportion equation
   78,351.40 : 108,124.59 = 42,541.12 : x
2. Step 2: Convert to fraction form
   78,351.40/108,124.59 = 42,541.12/x
3. Step 3: Cross multiply
   78,351.40x = 108,124.59 × 42,541.12
4. Step 4: Simplify right side
   78,351.40x = 4,599,741,158.14
5. Step 5: Solve for x
   x = 4,599,741,158.14/78,351.40
6. Step 6: Final answer
   x = 58,706.56