Finding the Fourth Proportional to 158,679.12, 238,019.49 and 53,499

Step by Step Solution

1. Step 1: Write the proportion equation
   158,679.12 : 238,019.49 = 53,499 : x
2. Step 2: Convert to fraction form
   158,679.12/238,019.49 = 53,499/x
3. Step 3: Cross multiply
   158,679.12x = 238,019.49 × 53,499
4. Step 4: Simplify right side
   158,679.12x = 12,733,804,695.51
5. Step 5: Solve for x
   x = 12,733,804,695.51/158,679.12
6. Step 6: Final answer
   x = 80,248.77