Finding the Fourth Proportional to 89,402.32, 123,374.69 and 49,115.22

Step by Step Solution

1. Step 1: Write the proportion equation
   89,402.32 : 123,374.69 = 49,115.22 : x
2. Step 2: Convert to fraction form
   89,402.32/123,374.69 = 49,115.22/x
3. Step 3: Cross multiply
   89,402.32x = 123,374.69 × 49,115.22
4. Step 4: Simplify right side
   89,402.32x = 6,059,575,041.78
5. Step 5: Solve for x
   x = 6,059,575,041.78/89,402.32
6. Step 6: Final answer
   x = 67,778.72