Finding the Fourth Proportional to 78,496.34, 108,325.71 and 42,687.13

Step by Step Solution

1. Step 1: Write the proportion equation
   78,496.34 : 108,325.71 = 42,687.13 : x
2. Step 2: Convert to fraction form
   78,496.34/108,325.71 = 42,687.13/x
3. Step 3: Cross multiply
   78,496.34x = 108,325.71 × 42,687.13
4. Step 4: Simplify right side
   78,496.34x = 4,624,113,123.48
5. Step 5: Solve for x
   x = 4,624,113,123.48/78,496.34
6. Step 6: Final answer
   x = 58,908.65