Finding the Fourth Proportional to 117,274.72, 161,867.28 and 67,002.88

Step by Step Solution

1. Step 1: Write the proportion equation
   117,274.72 : 161,867.28 = 67,002.88 : x
2. Step 2: Convert to fraction form
   117,274.72/161,867.28 = 67,002.88/x
3. Step 3: Cross multiply
   117,274.72x = 161,867.28 × 67,002.88
4. Step 4: Simplify right side
   117,274.72x = 10,845,573,937.77
5. Step 5: Solve for x
   x = 10,845,573,937.77/117,274.72
6. Step 6: Final answer
   x = 92,480.07