Finding the Fourth Proportional to 30,931.22, 42,695.37 and 22,004.62

Step by Step Solution

1. Step 1: Write the proportion equation
   30,931.22 : 42,695.37 = 22,004.62 : x
2. Step 2: Convert to fraction form
   30,931.22/42,695.37 = 22,004.62/x
3. Step 3: Cross multiply
   30,931.22x = 42,695.37 × 22,004.62
4. Step 4: Simplify right side
   30,931.22x = 939,495,285.87
5. Step 5: Solve for x
   x = 939,495,285.87/30,931.22
6. Step 6: Final answer
   x = 30,373.69