Finding the Fourth Proportional to 66,405.83, 99,444.71 and 49,498.29

Step by Step Solution

1. Step 1: Write the proportion equation
   66,405.83 : 99,444.71 = 49,498.29 : x
2. Step 2: Convert to fraction form
   66,405.83/99,444.71 = 49,498.29/x
3. Step 3: Cross multiply
   66,405.83x = 99,444.71 × 49,498.29
4. Step 4: Simplify right side
   66,405.83x = 4,922,342,847.05
5. Step 5: Solve for x
   x = 4,922,342,847.05/66,405.83
6. Step 6: Final answer
   x = 74,125.17