Finding the Fourth Proportional to 13,008.72, 17,954.46 and 7,703.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,008.72 : 17,954.46 = 7,703.76 : x
2. Step 2: Convert to fraction form
   13,008.72/17,954.46 = 7,703.76/x
3. Step 3: Cross multiply
   13,008.72x = 17,954.46 × 7,703.76
4. Step 4: Simplify right side
   13,008.72x = 138,316,850.77
5. Step 5: Solve for x
   x = 138,316,850.77/13,008.72
6. Step 6: Final answer
   x = 10,632.63