Finding the Fourth Proportional to 31,200.12, 43,051.18 and 17,771.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,200.12 : 43,051.18 = 17,771.63 : x
2. Step 2: Convert to fraction form
   31,200.12/43,051.18 = 17,771.63/x
3. Step 3: Cross multiply
   31,200.12x = 43,051.18 × 17,771.63
4. Step 4: Simplify right side
   31,200.12x = 765,089,642.02
5. Step 5: Solve for x
   x = 765,089,642.02/31,200.12
6. Step 6: Final answer
   x = 24,522.01