Finding the Fourth Proportional to 14,064.93, 21,100.73 and 7,489.76

Step by Step Solution

1. Step 1: Write the proportion equation
   14,064.93 : 21,100.73 = 7,489.76 : x
2. Step 2: Convert to fraction form
   14,064.93/21,100.73 = 7,489.76/x
3. Step 3: Cross multiply
   14,064.93x = 21,100.73 × 7,489.76
4. Step 4: Simplify right side
   14,064.93x = 158,039,260.57
5. Step 5: Solve for x
   x = 158,039,260.57/14,064.93
6. Step 6: Final answer
   x = 11,236.41