Finding the Fourth Proportional to 913,758.22, 1,261,118.29 and 526,499.46

Step by Step Solution

1. Step 1: Write the proportion equation
   913,758.22 : 1,261,118.29 = 526,499.46 : x
2. Step 2: Convert to fraction form
   913,758.22/1,261,118.29 = 526,499.46/x
3. Step 3: Cross multiply
   913,758.22x = 1,261,118.29 × 526,499.46
4. Step 4: Simplify right side
   913,758.22x = 663,978,098,681.12
5. Step 5: Solve for x
   x = 663,978,098,681.12/913,758.22
6. Step 6: Final answer
   x = 726,645.28