Finding the Fourth Proportional to 72,966.42, 109,449.66 and 17,562.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,966.42 : 109,449.66 = 17,562.42 : x
2. Step 2: Convert to fraction form
   72,966.42/109,449.66 = 17,562.42/x
3. Step 3: Cross multiply
   72,966.42x = 109,449.66 × 17,562.42
4. Step 4: Simplify right side
   72,966.42x = 1,922,200,897.78
5. Step 5: Solve for x
   x = 1,922,200,897.78/72,966.42
6. Step 6: Final answer
   x = 26,343.64