Finding the Fourth Proportional to 89,590.88, 123,642.92 and 49,312.24

Step by Step Solution

1. Step 1: Write the proportion equation
   89,590.88 : 123,642.92 = 49,312.24 : x
2. Step 2: Convert to fraction form
   89,590.88/123,642.92 = 49,312.24/x
3. Step 3: Cross multiply
   89,590.88x = 123,642.92 × 49,312.24
4. Step 4: Simplify right side
   89,590.88x = 6,097,109,345.34
5. Step 5: Solve for x
   x = 6,097,109,345.34/89,590.88
6. Step 6: Final answer
   x = 68,055.02