Finding the Fourth Proportional to 30,750.72, 42,436.16 and 17,322.56

Step by Step Solution

1. Step 1: Write the proportion equation
   30,750.72 : 42,436.16 = 17,322.56 : x
2. Step 2: Convert to fraction form
   30,750.72/42,436.16 = 17,322.56/x
3. Step 3: Cross multiply
   30,750.72x = 42,436.16 × 17,322.56
4. Step 4: Simplify right side
   30,750.72x = 735,102,927.77
5. Step 5: Solve for x
   x = 735,102,927.77/30,750.72
6. Step 6: Final answer
   x = 23,905.23