Finding the Fourth Proportional to 2,637,633.30, 3,956,406.72 and 840,492.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637,633.30 : 3,956,406.72 = 840,492.24 : x
2. Step 2: Convert to fraction form
   2,637,633.30/3,956,406.72 = 840,492.24/x
3. Step 3: Cross multiply
   2,637,633.30x = 3,956,406.72 × 840,492.24
4. Step 4: Simplify right side
   2,637,633.30x = 3,325,329,146,443.85
5. Step 5: Solve for x
   x = 3,325,329,146,443.85/2,637,633.30
6. Step 6: Final answer
   x = 1,260,724.58