Finding the Fourth Proportional to 406,076.10, 609,152.55 and 110,588.10

Step by Step Solution

1. Step 1: Write the proportion equation
   406,076.10 : 609,152.55 = 110,588.10 : x
2. Step 2: Convert to fraction form
   406,076.10/609,152.55 = 110,588.10/x
3. Step 3: Cross multiply
   406,076.10x = 609,152.55 × 110,588.10
4. Step 4: Simplify right side
   406,076.10x = 67,365,023,114.66
5. Step 5: Solve for x
   x = 67,365,023,114.66/406,076.10
6. Step 6: Final answer
   x = 165,892.61