Finding the Fourth Proportional to 31,720.18, 47,574.18 and 23,322.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,720.18 : 47,574.18 = 23,322.10 : x
2. Step 2: Convert to fraction form
   31,720.18/47,574.18 = 23,322.10/x
3. Step 3: Cross multiply
   31,720.18x = 47,574.18 × 23,322.10
4. Step 4: Simplify right side
   31,720.18x = 1,109,529,783.38
5. Step 5: Solve for x
   x = 1,109,529,783.38/31,720.18
6. Step 6: Final answer
   x = 34,978.67