Finding the Fourth Proportional to 78,337.45, 108,105.80 and 42,527.49

Step by Step Solution

1. Step 1: Write the proportion equation
   78,337.45 : 108,105.80 = 42,527.49 : x
2. Step 2: Convert to fraction form
   78,337.45/108,105.80 = 42,527.49/x
3. Step 3: Cross multiply
   78,337.45x = 108,105.80 × 42,527.49
4. Step 4: Simplify right side
   78,337.45x = 4,597,468,328.44
5. Step 5: Solve for x
   x = 4,597,468,328.44/78,337.45
6. Step 6: Final answer
   x = 58,688.00