Finding the Fourth Proportional to 192,356.91, 288,521.69 and 59,223.28

Step by Step Solution

1. Step 1: Write the proportion equation
   192,356.91 : 288,521.69 = 59,223.28 : x
2. Step 2: Convert to fraction form
   192,356.91/288,521.69 = 59,223.28/x
3. Step 3: Cross multiply
   192,356.91x = 288,521.69 × 59,223.28
4. Step 4: Simplify right side
   192,356.91x = 17,087,200,684.89
5. Step 5: Solve for x
   x = 17,087,200,684.89/192,356.91
6. Step 6: Final answer
   x = 88,830.71