Finding the Fourth Proportional to 1,499,328.06, 2,248,989.33 and 488,448.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,328.06 : 2,248,989.33 = 488,448.81 : x
2. Step 2: Convert to fraction form
   1,499,328.06/2,248,989.33 = 488,448.81/x
3. Step 3: Cross multiply
   1,499,328.06x = 2,248,989.33 × 488,448.81
4. Step 4: Simplify right side
   1,499,328.06x = 1,098,516,161,941.20
5. Step 5: Solve for x
   x = 1,098,516,161,941.20/1,499,328.06
6. Step 6: Final answer
   x = 732,672.32