Finding the Fourth Proportional to 112,490.62, 168,818.82 and 53,326.06

Step by Step Solution

1. Step 1: Write the proportion equation
   112,490.62 : 168,818.82 = 53,326.06 : x
2. Step 2: Convert to fraction form
   112,490.62/168,818.82 = 53,326.06/x
3. Step 3: Cross multiply
   112,490.62x = 168,818.82 × 53,326.06
4. Step 4: Simplify right side
   112,490.62x = 9,002,441,902.43
5. Step 5: Solve for x
   x = 9,002,441,902.43/112,490.62
6. Step 6: Final answer
   x = 80,028.38