Finding the Fourth Proportional to 1,065,570.50, 1,470,487.29 and 588,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,570.50 : 1,470,487.29 = 588,642.50 : x
2. Step 2: Convert to fraction form
   1,065,570.50/1,470,487.29 = 588,642.50/x
3. Step 3: Cross multiply
   1,065,570.50x = 1,470,487.29 × 588,642.50
4. Step 4: Simplify right side
   1,065,570.50x = 865,591,314,603.83
5. Step 5: Solve for x
   x = 865,591,314,603.83/1,065,570.50
6. Step 6: Final answer
   x = 812,326.65