Finding the Fourth Proportional to 152,773.98, 210,853.50 and 89,111.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152,773.98 : 210,853.50 = 89,111.82 : x
2. Step 2: Convert to fraction form
   152,773.98/210,853.50 = 89,111.82/x
3. Step 3: Cross multiply
   152,773.98x = 210,853.50 × 89,111.82
4. Step 4: Simplify right side
   152,773.98x = 18,789,539,138.37
5. Step 5: Solve for x
   x = 18,789,539,138.37/152,773.98
6. Step 6: Final answer
   x = 122,989.13