Finding the Fourth Proportional to 31,483.34, 43,445.31 and 18,055.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,483.34 : 43,445.31 = 18,055.16 : x
2. Step 2: Convert to fraction form
   31,483.34/43,445.31 = 18,055.16/x
3. Step 3: Cross multiply
   31,483.34x = 43,445.31 × 18,055.16
4. Step 4: Simplify right side
   31,483.34x = 784,412,023.30
5. Step 5: Solve for x
   x = 784,412,023.30/31,483.34
6. Step 6: Final answer
   x = 24,915.15