Finding the Fourth Proportional to 78,496.17, 108,325.44 and 42,686.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,496.17 : 108,325.44 = 42,686.52 : x
2. Step 2: Convert to fraction form
   78,496.17/108,325.44 = 42,686.52/x
3. Step 3: Cross multiply
   78,496.17x = 108,325.44 × 42,686.52
4. Step 4: Simplify right side
   78,496.17x = 4,624,036,061.07
5. Step 5: Solve for x
   x = 4,624,036,061.07/78,496.17
6. Step 6: Final answer
   x = 58,907.79