Finding the Fourth Proportional to 1,352,457.34, 1,866,391.71 and 740,648.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,352,457.34 : 1,866,391.71 = 740,648.21 : x
2. Step 2: Convert to fraction form
   1,352,457.34/1,866,391.71 = 740,648.21/x
3. Step 3: Cross multiply
   1,352,457.34x = 1,866,391.71 × 740,648.21
4. Step 4: Simplify right side
   1,352,457.34x = 1,382,339,667,060.95
5. Step 5: Solve for x
   x = 1,382,339,667,060.95/1,352,457.34
6. Step 6: Final answer
   x = 1,022,094.84