Finding the Fourth Proportional to 117,301.88, 162,010.28 and 79,510.52

Step by Step Solution

1. Step 1: Write the proportion equation
   117,301.88 : 162,010.28 = 79,510.52 : x
2. Step 2: Convert to fraction form
   117,301.88/162,010.28 = 79,510.52/x
3. Step 3: Cross multiply
   117,301.88x = 162,010.28 × 79,510.52
4. Step 4: Simplify right side
   117,301.88x = 12,881,521,608.15
5. Step 5: Solve for x
   x = 12,881,521,608.15/117,301.88
6. Step 6: Final answer
   x = 109,815.13