Finding the Fourth Proportional to 89,404.04, 123,379.64 and 49,120.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,404.04 : 123,379.64 = 49,120.32 : x
2. Step 2: Convert to fraction form
   89,404.04/123,379.64 = 49,120.32/x
3. Step 3: Cross multiply
   89,404.04x = 123,379.64 × 49,120.32
4. Step 4: Simplify right side
   89,404.04x = 6,060,447,398.28
5. Step 5: Solve for x
   x = 6,060,447,398.28/89,404.04
6. Step 6: Final answer
   x = 67,787.18