Finding the Fourth Proportional to 788,362.89, 1,087,941.83 and 448,831.14

Step by Step Solution

1. Step 1: Write the proportion equation
   788,362.89 : 1,087,941.83 = 448,831.14 : x
2. Step 2: Convert to fraction form
   788,362.89/1,087,941.83 = 448,831.14/x
3. Step 3: Cross multiply
   788,362.89x = 1,087,941.83 × 448,831.14
4. Step 4: Simplify right side
   788,362.89x = 488,302,169,568.43
5. Step 5: Solve for x
   x = 488,302,169,568.43/788,362.89
6. Step 6: Final answer
   x = 619,387.56