Finding the Fourth Proportional to 78,043.71, 107,700.32 and 42,233.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,043.71 : 107,700.32 = 42,233.72 : x
2. Step 2: Convert to fraction form
   78,043.71/107,700.32 = 42,233.72/x
3. Step 3: Cross multiply
   78,043.71x = 107,700.32 × 42,233.72
4. Step 4: Simplify right side
   78,043.71x = 4,548,584,409.12
5. Step 5: Solve for x
   x = 4,548,584,409.12/78,043.71
6. Step 6: Final answer
   x = 58,282.53