Finding the Fourth Proportional to 31,402.55, 43,337.46 and 17,973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,402.55 : 43,337.46 = 17,973.50 : x
2. Step 2: Convert to fraction form
   31,402.55/43,337.46 = 17,973.50/x
3. Step 3: Cross multiply
   31,402.55x = 43,337.46 × 17,973.50
4. Step 4: Simplify right side
   31,402.55x = 778,925,536.37
5. Step 5: Solve for x
   x = 778,925,536.37/31,402.55
6. Step 6: Final answer
   x = 24,804.53