Finding the Fourth Proportional to 14,088.38, 21,131.94 and 4,727.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,088.38 : 21,131.94 = 4,727.72 : x
2. Step 2: Convert to fraction form
   14,088.38/21,131.94 = 4,727.72/x
3. Step 3: Cross multiply
   14,088.38x = 21,131.94 × 4,727.72
4. Step 4: Simplify right side
   14,088.38x = 99,905,820.48
5. Step 5: Solve for x
   x = 99,905,820.48/14,088.38
6. Step 6: Final answer
   x = 7,091.36