Finding the Fourth Proportional to 99,870.68, 149,806.41 and 24,990.61

Step by Step Solution

1. Step 1: Write the proportion equation
   99,870.68 : 149,806.41 = 24,990.61 : x
2. Step 2: Convert to fraction form
   99,870.68/149,806.41 = 24,990.61/x
3. Step 3: Cross multiply
   99,870.68x = 149,806.41 × 24,990.61
4. Step 4: Simplify right side
   99,870.68x = 3,743,752,693.83
5. Step 5: Solve for x
   x = 3,743,752,693.83/99,870.68
6. Step 6: Final answer
   x = 37,486.01