Finding the Fourth Proportional to 1,049,580.63, 1,448,868.17 and 705,616.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049,580.63 : 1,448,868.17 = 705,616.05 : x
2. Step 2: Convert to fraction form
   1,049,580.63/1,448,868.17 = 705,616.05/x
3. Step 3: Cross multiply
   1,049,580.63x = 1,448,868.17 × 705,616.05
4. Step 4: Simplify right side
   1,049,580.63x = 1,022,344,636,850.17
5. Step 5: Solve for x
   x = 1,022,344,636,850.17/1,049,580.63
6. Step 6: Final answer
   x = 974,050.59