Finding the Fourth Proportional to 10,156.22, 15,123.36 and 9,782.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.22 : 15,123.36 = 9,782.55 : x
2. Step 2: Convert to fraction form
   10,156.22/15,123.36 = 9,782.55/x
3. Step 3: Cross multiply
   10,156.22x = 15,123.36 × 9,782.55
4. Step 4: Simplify right side
   10,156.22x = 147,945,091.15
5. Step 5: Solve for x
   x = 147,945,091.15/10,156.22
6. Step 6: Final answer
   x = 14,566.94