Finding the Fourth Proportional to 30,588.52, 42,211.47 and 17,159.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,588.52 : 42,211.47 = 17,159.50 : x
2. Step 2: Convert to fraction form
   30,588.52/42,211.47 = 17,159.50/x
3. Step 3: Cross multiply
   30,588.52x = 42,211.47 × 17,159.50
4. Step 4: Simplify right side
   30,588.52x = 724,327,719.47
5. Step 5: Solve for x
   x = 724,327,719.47/30,588.52
6. Step 6: Final answer
   x = 23,679.72