Finding the Fourth Proportional to 2,592,019.60, 3,886,186.20 and 993,965.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592,019.60 : 3,886,186.20 = 993,965.20 : x
2. Step 2: Convert to fraction form
   2,592,019.60/3,886,186.20 = 993,965.20/x
3. Step 3: Cross multiply
   2,592,019.60x = 3,886,186.20 × 993,965.20
4. Step 4: Simplify right side
   2,592,019.60x = 3,862,733,843,520.24
5. Step 5: Solve for x
   x = 3,862,733,843,520.24/2,592,019.60
6. Step 6: Final answer
   x = 1,490,240.99