Finding the Fourth Proportional to 498,116.25, 747,094.17 and 143,049.51

Step by Step Solution

1. Step 1: Write the proportion equation
   498,116.25 : 747,094.17 = 143,049.51 : x
2. Step 2: Convert to fraction form
   498,116.25/747,094.17 = 143,049.51/x
3. Step 3: Cross multiply
   498,116.25x = 747,094.17 × 143,049.51
4. Step 4: Simplify right side
   498,116.25x = 106,871,451,206.89
5. Step 5: Solve for x
   x = 106,871,451,206.89/498,116.25
6. Step 6: Final answer
   x = 214,551.23