Finding the Fourth Proportional to 89,154.62, 123,045.99 and 55,174.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,154.62 : 123,045.99 = 55,174.06 : x
2. Step 2: Convert to fraction form
   89,154.62/123,045.99 = 55,174.06/x
3. Step 3: Cross multiply
   89,154.62x = 123,045.99 × 55,174.06
4. Step 4: Simplify right side
   89,154.62x = 6,788,946,781.92
5. Step 5: Solve for x
   x = 6,788,946,781.92/89,154.62
6. Step 6: Final answer
   x = 76,148.00