Finding the Fourth Proportional to 931,018.02, 1,284,805.71 and 528,610.02

Step by Step Solution

1. Step 1: Write the proportion equation
   931,018.02 : 1,284,805.71 = 528,610.02 : x
2. Step 2: Convert to fraction form
   931,018.02/1,284,805.71 = 528,610.02/x
3. Step 3: Cross multiply
   931,018.02x = 1,284,805.71 × 528,610.02
4. Step 4: Simplify right side
   931,018.02x = 679,161,172,059.21
5. Step 5: Solve for x
   x = 679,161,172,059.21/931,018.02
6. Step 6: Final answer
   x = 729,482.31