Finding the Fourth Proportional to 368,665.50, 553,028.94 and 98,832.06

Step by Step Solution

1. Step 1: Write the proportion equation
   368,665.50 : 553,028.94 = 98,832.06 : x
2. Step 2: Convert to fraction form
   368,665.50/553,028.94 = 98,832.06/x
3. Step 3: Cross multiply
   368,665.50x = 553,028.94 × 98,832.06
4. Step 4: Simplify right side
   368,665.50x = 54,656,989,379.82
5. Step 5: Solve for x
   x = 54,656,989,379.82/368,665.50
6. Step 6: Final answer
   x = 148,256.32