Finding the Fourth Proportional to 1,064,870.13, 1,469,580.32 and 581,480.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,870.13 : 1,469,580.32 = 581,480.15 : x
2. Step 2: Convert to fraction form
   1,064,870.13/1,469,580.32 = 581,480.15/x
3. Step 3: Cross multiply
   1,064,870.13x = 1,469,580.32 × 581,480.15
4. Step 4: Simplify right side
   1,064,870.13x = 854,531,782,003.25
5. Step 5: Solve for x
   x = 854,531,782,003.25/1,064,870.13
6. Step 6: Final answer
   x = 802,475.12