Finding the Fourth Proportional to 78,337.27, 108,106.74 and 42,527.28

Step by Step Solution

1. Step 1: Write the proportion equation
   78,337.27 : 108,106.74 = 42,527.28 : x
2. Step 2: Convert to fraction form
   78,337.27/108,106.74 = 42,527.28/x
3. Step 3: Cross multiply
   78,337.27x = 108,106.74 × 42,527.28
4. Step 4: Simplify right side
   78,337.27x = 4,597,486,113.59
5. Step 5: Solve for x
   x = 4,597,486,113.59/78,337.27
6. Step 6: Final answer
   x = 58,688.36