Finding the Fourth Proportional to 31,050.30, 42,851.43 and 18,473.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,050.30 : 42,851.43 = 18,473.34 : x
2. Step 2: Convert to fraction form
   31,050.30/42,851.43 = 18,473.34/x
3. Step 3: Cross multiply
   31,050.30x = 42,851.43 × 18,473.34
4. Step 4: Simplify right side
   31,050.30x = 791,609,035.88
5. Step 5: Solve for x
   x = 791,609,035.88/31,050.30
6. Step 6: Final answer
   x = 25,494.41