Finding the Fourth Proportional to 9,263.17, 12,783.18 and 5,071.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,263.17 : 12,783.18 = 5,071.42 : x
2. Step 2: Convert to fraction form
   9,263.17/12,783.18 = 5,071.42/x
3. Step 3: Cross multiply
   9,263.17x = 12,783.18 × 5,071.42
4. Step 4: Simplify right side
   9,263.17x = 64,828,874.72
5. Step 5: Solve for x
   x = 64,828,874.72/9,263.17
6. Step 6: Final answer
   x = 6,998.56