Finding the Fourth Proportional to 1,158,612.72, 1,598,887.52 and 649,315.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158,612.72 : 1,598,887.52 = 649,315.09 : x
2. Step 2: Convert to fraction form
   1,158,612.72/1,598,887.52 = 649,315.09/x
3. Step 3: Cross multiply
   1,158,612.72x = 1,598,887.52 × 649,315.09
4. Step 4: Simplify right side
   1,158,612.72x = 1,038,181,793,948.68
5. Step 5: Solve for x
   x = 1,038,181,793,948.68/1,158,612.72
6. Step 6: Final answer
   x = 896,055.93