Finding the Fourth Proportional to 52,410.42, 72,344.61 and 31,189.23

Step by Step Solution

1. Step 1: Write the proportion equation
   52,410.42 : 72,344.61 = 31,189.23 : x
2. Step 2: Convert to fraction form
   52,410.42/72,344.61 = 31,189.23/x
3. Step 3: Cross multiply
   52,410.42x = 72,344.61 × 31,189.23
4. Step 4: Simplify right side
   52,410.42x = 2,256,372,680.55
5. Step 5: Solve for x
   x = 2,256,372,680.55/52,410.42
6. Step 6: Final answer
   x = 43,051.99