Finding the Fourth Proportional to 498,451.89, 747,795.69 and 161,492.00

Step by Step Solution

1. Step 1: Write the proportion equation
   498,451.89 : 747,795.69 = 161,492.00 : x
2. Step 2: Convert to fraction form
   498,451.89/747,795.69 = 161,492.00/x
3. Step 3: Cross multiply
   498,451.89x = 747,795.69 × 161,492.00
4. Step 4: Simplify right side
   498,451.89x = 120,763,017,830.50
5. Step 5: Solve for x
   x = 120,763,017,830.50/498,451.89
6. Step 6: Final answer
   x = 242,276.18