Finding the Fourth Proportional to 931,064.52, 1,284,870.24 and 528,656.52

Step by Step Solution

1. Step 1: Write the proportion equation
   931,064.52 : 1,284,870.24 = 528,656.52 : x
2. Step 2: Convert to fraction form
   931,064.52/1,284,870.24 = 528,656.52/x
3. Step 3: Cross multiply
   931,064.52x = 1,284,870.24 × 528,656.52
4. Step 4: Simplify right side
   931,064.52x = 679,255,029,729.97
5. Step 5: Solve for x
   x = 679,255,029,729.97/931,064.52
6. Step 6: Final answer
   x = 729,546.68