Finding the Fourth Proportional to 112,381.83, 168,597.39 and 42,261.15

Step by Step Solution

1. Step 1: Write the proportion equation
   112,381.83 : 168,597.39 = 42,261.15 : x
2. Step 2: Convert to fraction form
   112,381.83/168,597.39 = 42,261.15/x
3. Step 3: Cross multiply
   112,381.83x = 168,597.39 × 42,261.15
4. Step 4: Simplify right side
   112,381.83x = 7,125,119,588.40
5. Step 5: Solve for x
   x = 7,125,119,588.40/112,381.83
6. Step 6: Final answer
   x = 63,400.99