Finding the Fourth Proportional to 9,951.91, 14,922.72 and 2,931.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,951.91 : 14,922.72 = 2,931.01 : x
2. Step 2: Convert to fraction form
   9,951.91/14,922.72 = 2,931.01/x
3. Step 3: Cross multiply
   9,951.91x = 14,922.72 × 2,931.01
4. Step 4: Simplify right side
   9,951.91x = 43,738,641.55
5. Step 5: Solve for x
   x = 43,738,641.55/9,951.91
6. Step 6: Final answer
   x = 4,395.00