Finding the Fourth Proportional to 655,253.91, 904,100.81 and 368,669.43

Step by Step Solution

1. Step 1: Write the proportion equation
   655,253.91 : 904,100.81 = 368,669.43 : x
2. Step 2: Convert to fraction form
   655,253.91/904,100.81 = 368,669.43/x
3. Step 3: Cross multiply
   655,253.91x = 904,100.81 × 368,669.43
4. Step 4: Simplify right side
   655,253.91x = 333,314,328,441.89
5. Step 5: Solve for x
   x = 333,314,328,441.89/655,253.91
6. Step 6: Final answer
   x = 508,679.65