Finding the Fourth Proportional to 72,945.42, 109,418.16 and 17,541.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,945.42 : 109,418.16 = 17,541.42 : x
2. Step 2: Convert to fraction form
   72,945.42/109,418.16 = 17,541.42/x
3. Step 3: Cross multiply
   72,945.42x = 109,418.16 × 17,541.42
4. Step 4: Simplify right side
   72,945.42x = 1,919,349,900.19
5. Step 5: Solve for x
   x = 1,919,349,900.19/72,945.42
6. Step 6: Final answer
   x = 26,312.14