Finding the Fourth Proportional to 880,956.10, 1,321,434.15 and 526,662.10

Step by Step Solution

1. Step 1: Write the proportion equation
   880,956.10 : 1,321,434.15 = 526,662.10 : x
2. Step 2: Convert to fraction form
   880,956.10/1,321,434.15 = 526,662.10/x
3. Step 3: Cross multiply
   880,956.10x = 1,321,434.15 × 526,662.10
4. Step 4: Simplify right side
   880,956.10x = 695,949,284,450.72
5. Step 5: Solve for x
   x = 695,949,284,450.72/880,956.10
6. Step 6: Final answer
   x = 789,993.15