Finding the Fourth Proportional to 78,522.76, 108,361.98 and 42,713.08

Step by Step Solution

1. Step 1: Write the proportion equation
   78,522.76 : 108,361.98 = 42,713.08 : x
2. Step 2: Convert to fraction form
   78,522.76/108,361.98 = 42,713.08/x
3. Step 3: Cross multiply
   78,522.76x = 108,361.98 × 42,713.08
4. Step 4: Simplify right side
   78,522.76x = 4,628,473,920.70
5. Step 5: Solve for x
   x = 4,628,473,920.70/78,522.76
6. Step 6: Final answer
   x = 58,944.36