Finding the Fourth Proportional to 51,128.89, 70,511.21 and 32,233.21

Step by Step Solution

1. Step 1: Write the proportion equation
   51,128.89 : 70,511.21 = 32,233.21 : x
2. Step 2: Convert to fraction form
   51,128.89/70,511.21 = 32,233.21/x
3. Step 3: Cross multiply
   51,128.89x = 70,511.21 × 32,233.21
4. Step 4: Simplify right side
   51,128.89x = 2,272,802,422.71
5. Step 5: Solve for x
   x = 2,272,802,422.71/51,128.89
6. Step 6: Final answer
   x = 44,452.41