Finding the Fourth Proportional to 1,158,401.48, 1,598,637.30 and 649,085

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158,401.48 : 1,598,637.30 = 649,085 : x
2. Step 2: Convert to fraction form
   1,158,401.48/1,598,637.30 = 649,085/x
3. Step 3: Cross multiply
   1,158,401.48x = 1,598,637.30 × 649,085
4. Step 4: Simplify right side
   1,158,401.48x = 1,037,651,491,870.50
5. Step 5: Solve for x
   x = 1,037,651,491,870.50/1,158,401.48
6. Step 6: Final answer
   x = 895,761.54