Finding the Fourth Proportional to 23,105.61, 31,889.03 and 13,034.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,105.61 : 31,889.03 = 13,034.98 : x
2. Step 2: Convert to fraction form
   23,105.61/31,889.03 = 13,034.98/x
3. Step 3: Cross multiply
   23,105.61x = 31,889.03 × 13,034.98
4. Step 4: Simplify right side
   23,105.61x = 415,672,803.09
5. Step 5: Solve for x
   x = 415,672,803.09/23,105.61
6. Step 6: Final answer
   x = 17,990.13