Finding the Fourth Proportional to 31,526.42, 47,150.20 and 28,040.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,526.42 : 47,150.20 = 28,040.88 : x
2. Step 2: Convert to fraction form
   31,526.42/47,150.20 = 28,040.88/x
3. Step 3: Cross multiply
   31,526.42x = 47,150.20 × 28,040.88
4. Step 4: Simplify right side
   31,526.42x = 1,322,133,100.18
5. Step 5: Solve for x
   x = 1,322,133,100.18/31,526.42
6. Step 6: Final answer
   x = 41,937.31