Finding the Fourth Proportional to 8,931.90, 12,326.06 and 4,953.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,931.90 : 12,326.06 = 4,953.38 : x
2. Step 2: Convert to fraction form
   8,931.90/12,326.06 = 4,953.38/x
3. Step 3: Cross multiply
   8,931.90x = 12,326.06 × 4,953.38
4. Step 4: Simplify right side
   8,931.90x = 61,055,634.32
5. Step 5: Solve for x
   x = 61,055,634.32/8,931.90
6. Step 6: Final answer
   x = 6,835.68