Finding the Fourth Proportional to 112,841.52, 169,240.32 and 42,726.32

Step by Step Solution

1. Step 1: Write the proportion equation
   112,841.52 : 169,240.32 = 42,726.32 : x
2. Step 2: Convert to fraction form
   112,841.52/169,240.32 = 42,726.32/x
3. Step 3: Cross multiply
   112,841.52x = 169,240.32 × 42,726.32
4. Step 4: Simplify right side
   112,841.52x = 7,231,016,069.22
5. Step 5: Solve for x
   x = 7,231,016,069.22/112,841.52
6. Step 6: Final answer
   x = 64,081.17