Finding the Fourth Proportional to 9,263.58, 12,783.59 and 5,071.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,263.58 : 12,783.59 = 5,071.74 : x
2. Step 2: Convert to fraction form
   9,263.58/12,783.59 = 5,071.74/x
3. Step 3: Cross multiply
   9,263.58x = 12,783.59 × 5,071.74
4. Step 4: Simplify right side
   9,263.58x = 64,835,044.75
5. Step 5: Solve for x
   x = 64,835,044.75/9,263.58
6. Step 6: Final answer
   x = 6,998.92