Finding the Fourth Proportional to 78,503.06, 108,333.10 and 42,693.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,503.06 : 108,333.10 = 42,693.37 : x
2. Step 2: Convert to fraction form
   78,503.06/108,333.10 = 42,693.37/x
3. Step 3: Cross multiply
   78,503.06x = 108,333.10 × 42,693.37
4. Step 4: Simplify right side
   78,503.06x = 4,625,105,121.55
5. Step 5: Solve for x
   x = 4,625,105,121.55/78,503.06
6. Step 6: Final answer
   x = 58,916.24