Finding the Fourth Proportional to 78,344.34, 108,113.51 and 42,534.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,344.34 : 108,113.51 = 42,534.05 : x
2. Step 2: Convert to fraction form
   78,344.34/108,113.51 = 42,534.05/x
3. Step 3: Cross multiply
   78,344.34x = 108,113.51 × 42,534.05
4. Step 4: Simplify right side
   78,344.34x = 4,598,504,686.78
5. Step 5: Solve for x
   x = 4,598,504,686.78/78,344.34
6. Step 6: Final answer
   x = 58,696.07