Finding the Fourth Proportional to 152,846.53, 210,953.31 and 89,184.17

Step by Step Solution

1. Step 1: Write the proportion equation
   152,846.53 : 210,953.31 = 89,184.17 : x
2. Step 2: Convert to fraction form
   152,846.53/210,953.31 = 89,184.17/x
3. Step 3: Cross multiply
   152,846.53x = 210,953.31 × 89,184.17
4. Step 4: Simplify right side
   152,846.53x = 18,813,695,861.10
5. Step 5: Solve for x
   x = 18,813,695,861.10/152,846.53
6. Step 6: Final answer
   x = 123,088.80