Finding the Fourth Proportional to 1,012,300.16, 1,396,919.40 and 559,562

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,300.16 : 1,396,919.40 = 559,562 : x
2. Step 2: Convert to fraction form
   1,012,300.16/1,396,919.40 = 559,562/x
3. Step 3: Cross multiply
   1,012,300.16x = 1,396,919.40 × 559,562
4. Step 4: Simplify right side
   1,012,300.16x = 781,663,013,302.80
5. Step 5: Solve for x
   x = 781,663,013,302.80/1,012,300.16
6. Step 6: Final answer
   x = 772,165.26