Finding the Fourth Proportional to 498,066.86, 747,196.28 and 161,191.10

Step by Step Solution

1. Step 1: Write the proportion equation
   498,066.86 : 747,196.28 = 161,191.10 : x
2. Step 2: Convert to fraction form
   498,066.86/747,196.28 = 161,191.10/x
3. Step 3: Cross multiply
   498,066.86x = 747,196.28 × 161,191.10
4. Step 4: Simplify right side
   498,066.86x = 120,441,385,747.17
5. Step 5: Solve for x
   x = 120,441,385,747.17/498,066.86
6. Step 6: Final answer
   x = 241,817.71