Finding the Fourth Proportional to 498,453.89, 747,798.69 and 161,494.00

Step by Step Solution

1. Step 1: Write the proportion equation
   498,453.89 : 747,798.69 = 161,494.00 : x
2. Step 2: Convert to fraction form
   498,453.89/747,798.69 = 161,494.00/x
3. Step 3: Cross multiply
   498,453.89x = 747,798.69 × 161,494.00
4. Step 4: Simplify right side
   498,453.89x = 120,764,997,903.87
5. Step 5: Solve for x
   x = 120,764,997,903.87/498,453.89
6. Step 6: Final answer
   x = 242,279.18