Finding the Fourth Proportional to 14,271.96, 21,407.76 and 4,912.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,271.96 : 21,407.76 = 4,912.05 : x
2. Step 2: Convert to fraction form
   14,271.96/21,407.76 = 4,912.05/x
3. Step 3: Cross multiply
   14,271.96x = 21,407.76 × 4,912.05
4. Step 4: Simplify right side
   14,271.96x = 105,155,987.51
5. Step 5: Solve for x
   x = 105,155,987.51/14,271.96
6. Step 6: Final answer
   x = 7,368.01