Finding the Fourth Proportional to 78,423.36, 108,224.58 and 42,613.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,423.36 : 108,224.58 = 42,613.52 : x
2. Step 2: Convert to fraction form
   78,423.36/108,224.58 = 42,613.52/x
3. Step 3: Cross multiply
   78,423.36x = 108,224.58 × 42,613.52
4. Step 4: Simplify right side
   78,423.36x = 4,611,830,304.32
5. Step 5: Solve for x
   x = 4,611,830,304.32/78,423.36
6. Step 6: Final answer
   x = 58,806.84