Finding the Fourth Proportional to 89,492.15, 123,502.35 and 49,208.99

Step by Step Solution

1. Step 1: Write the proportion equation
   89,492.15 : 123,502.35 = 49,208.99 : x
2. Step 2: Convert to fraction form
   89,492.15/123,502.35 = 49,208.99/x
3. Step 3: Cross multiply
   89,492.15x = 123,502.35 × 49,208.99
4. Step 4: Simplify right side
   89,492.15x = 6,077,425,288.61
5. Step 5: Solve for x
   x = 6,077,425,288.61/89,492.15
6. Step 6: Final answer
   x = 67,910.15