Finding the Fourth Proportional to 1,240,401.10, 1,858,110.46 and 565,554.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,240,401.10 : 1,858,110.46 = 565,554.10 : x
2. Step 2: Convert to fraction form
   1,240,401.10/1,858,110.46 = 565,554.10/x
3. Step 3: Cross multiply
   1,240,401.10x = 1,858,110.46 × 565,554.10
4. Step 4: Simplify right side
   1,240,401.10x = 1,050,861,988,905.89
5. Step 5: Solve for x
   x = 1,050,861,988,905.89/1,240,401.10
6. Step 6: Final answer
   x = 847,195.31