Finding the Fourth Proportional to 78,423.52, 108,224.24 and 42,613.53

Step by Step Solution

1. Step 1: Write the proportion equation
   78,423.52 : 108,224.24 = 42,613.53 : x
2. Step 2: Convert to fraction form
   78,423.52/108,224.24 = 42,613.53/x
3. Step 3: Cross multiply
   78,423.52x = 108,224.24 × 42,613.53
4. Step 4: Simplify right side
   78,423.52x = 4,611,817,004.50
5. Step 5: Solve for x
   x = 4,611,817,004.50/78,423.52
6. Step 6: Final answer
   x = 58,806.56