Finding the Fourth Proportional to 112,376.27, 168,589.03 and 42,255.59

Step by Step Solution

1. Step 1: Write the proportion equation
   112,376.27 : 168,589.03 = 42,255.59 : x
2. Step 2: Convert to fraction form
   112,376.27/168,589.03 = 42,255.59/x
3. Step 3: Cross multiply
   112,376.27x = 168,589.03 × 42,255.59
4. Step 4: Simplify right side
   112,376.27x = 7,123,827,981.59
5. Step 5: Solve for x
   x = 7,123,827,981.59/112,376.27
6. Step 6: Final answer
   x = 63,392.63