Finding the Fourth Proportional to 956,610.72, 1,320,182.76 and 526,890.72

Step by Step Solution

1. Step 1: Write the proportion equation
   956,610.72 : 1,320,182.76 = 526,890.72 : x
2. Step 2: Convert to fraction form
   956,610.72/1,320,182.76 = 526,890.72/x
3. Step 3: Cross multiply
   956,610.72x = 1,320,182.76 × 526,890.72
4. Step 4: Simplify right side
   956,610.72x = 695,592,044,947.99
5. Step 5: Solve for x
   x = 695,592,044,947.99/956,610.72
6. Step 6: Final answer
   x = 727,142.22