Finding the Fourth Proportional to 89,907.59, 124,071.86 and 49,621.35

Step by Step Solution

1. Step 1: Write the proportion equation
   89,907.59 : 124,071.86 = 49,621.35 : x
2. Step 2: Convert to fraction form
   89,907.59/124,071.86 = 49,621.35/x
3. Step 3: Cross multiply
   89,907.59x = 124,071.86 × 49,621.35
4. Step 4: Simplify right side
   89,907.59x = 6,156,612,755.98
5. Step 5: Solve for x
   x = 6,156,612,755.98/89,907.59
6. Step 6: Final answer
   x = 68,477.12