Finding the Fourth Proportional to 1,140,874.96, 1,574,573.52 and 657,346.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,874.96 : 1,574,573.52 = 657,346.72 : x
2. Step 2: Convert to fraction form
   1,140,874.96/1,574,573.52 = 657,346.72/x
3. Step 3: Cross multiply
   1,140,874.96x = 1,574,573.52 × 657,346.72
4. Step 4: Simplify right side
   1,140,874.96x = 1,035,040,738,770.85
5. Step 5: Solve for x
   x = 1,035,040,738,770.85/1,140,874.96
6. Step 6: Final answer
   x = 907,234.16