Finding the Fourth Proportional to 152,670.82, 210,685.92 and 89,020.92

Step by Step Solution

1. Step 1: Write the proportion equation
   152,670.82 : 210,685.92 = 89,020.92 : x
2. Step 2: Convert to fraction form
   152,670.82/210,685.92 = 89,020.92/x
3. Step 3: Cross multiply
   152,670.82x = 210,685.92 × 89,020.92
4. Step 4: Simplify right side
   152,670.82x = 18,755,454,429.45
5. Step 5: Solve for x
   x = 18,755,454,429.45/152,670.82
6. Step 6: Final answer
   x = 122,848.98