Finding the Fourth Proportional to 78,713.17, 108,624.24 and 42,902.46

Step by Step Solution

1. Step 1: Write the proportion equation
   78,713.17 : 108,624.24 = 42,902.46 : x
2. Step 2: Convert to fraction form
   78,713.17/108,624.24 = 42,902.46/x
3. Step 3: Cross multiply
   78,713.17x = 108,624.24 × 42,902.46
4. Step 4: Simplify right side
   78,713.17x = 4,660,247,111.63
5. Step 5: Solve for x
   x = 4,660,247,111.63/78,713.17
6. Step 6: Final answer
   x = 59,205.43