Finding the Fourth Proportional to 51,089.52, 70,510.68 and 30,948.72

Step by Step Solution

1. Step 1: Write the proportion equation
   51,089.52 : 70,510.68 = 30,948.72 : x
2. Step 2: Convert to fraction form
   51,089.52/70,510.68 = 30,948.72/x
3. Step 3: Cross multiply
   51,089.52x = 70,510.68 × 30,948.72
4. Step 4: Simplify right side
   51,089.52x = 2,182,215,292.33
5. Step 5: Solve for x
   x = 2,182,215,292.33/51,089.52
6. Step 6: Final answer
   x = 42,713.56