Finding the Fourth Proportional to 30,784.17, 42,373.69 and 22,272.49

Step by Step Solution

1. Step 1: Write the proportion equation
   30,784.17 : 42,373.69 = 22,272.49 : x
2. Step 2: Convert to fraction form
   30,784.17/42,373.69 = 22,272.49/x
3. Step 3: Cross multiply
   30,784.17x = 42,373.69 × 22,272.49
4. Step 4: Simplify right side
   30,784.17x = 943,767,586.79
5. Step 5: Solve for x
   x = 943,767,586.79/30,784.17
6. Step 6: Final answer
   x = 30,657.56