Finding the Fourth Proportional to 117,272.72, 161,864.52 and 67,000.88

Step by Step Solution

1. Step 1: Write the proportion equation
   117,272.72 : 161,864.52 = 67,000.88 : x
2. Step 2: Convert to fraction form
   117,272.72/161,864.52 = 67,000.88/x
3. Step 3: Cross multiply
   117,272.72x = 161,864.52 × 67,000.88
4. Step 4: Simplify right side
   117,272.72x = 10,845,065,280.78
5. Step 5: Solve for x
   x = 10,845,065,280.78/117,272.72
6. Step 6: Final answer
   x = 92,477.31