Finding the Fourth Proportional to 962,581.91, 1,328,378.72 and 526,991.96

Step by Step Solution

1. Step 1: Write the proportion equation
   962,581.91 : 1,328,378.72 = 526,991.96 : x
2. Step 2: Convert to fraction form
   962,581.91/1,328,378.72 = 526,991.96/x
3. Step 3: Cross multiply
   962,581.91x = 1,328,378.72 × 526,991.96
4. Step 4: Simplify right side
   962,581.91x = 700,044,901,453.28
5. Step 5: Solve for x
   x = 700,044,901,453.28/962,581.91
6. Step 6: Final answer
   x = 727,257.49