Finding the Fourth Proportional to 2,438,168.10, 3,657,492.72 and 840,520.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,438,168.10 : 3,657,492.72 = 840,520.86 : x
2. Step 2: Convert to fraction form
   2,438,168.10/3,657,492.72 = 840,520.86/x
3. Step 3: Cross multiply
   2,438,168.10x = 3,657,492.72 × 840,520.86
4. Step 4: Simplify right side
   2,438,168.10x = 3,074,198,926,458.14
5. Step 5: Solve for x
   x = 3,074,198,926,458.14/2,438,168.10
6. Step 6: Final answer
   x = 1,260,864.22