Finding the Fourth Proportional to 30,751.32, 42,436.38 and 17,322.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,751.32 : 42,436.38 = 17,322.72 : x
2. Step 2: Convert to fraction form
   30,751.32/42,436.38 = 17,322.72/x
3. Step 3: Cross multiply
   30,751.32x = 42,436.38 × 17,322.72
4. Step 4: Simplify right side
   30,751.32x = 735,113,528.55
5. Step 5: Solve for x
   x = 735,113,528.55/30,751.32
6. Step 6: Final answer
   x = 23,905.10