Finding the Fourth Proportional to 89,196.06, 123,089.64 and 48,909.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,196.06 : 123,089.64 = 48,909.72 : x
2. Step 2: Convert to fraction form
   89,196.06/123,089.64 = 48,909.72/x
3. Step 3: Cross multiply
   89,196.06x = 123,089.64 × 48,909.72
4. Step 4: Simplify right side
   89,196.06x = 6,020,279,827.30
5. Step 5: Solve for x
   x = 6,020,279,827.30/89,196.06
6. Step 6: Final answer
   x = 67,494.91