Finding the Fourth Proportional to 43,401.95, 59,877.05 and 28,289.31

Step by Step Solution

1. Step 1: Write the proportion equation
   43,401.95 : 59,877.05 = 28,289.31 : x
2. Step 2: Convert to fraction form
   43,401.95/59,877.05 = 28,289.31/x
3. Step 3: Cross multiply
   43,401.95x = 59,877.05 × 28,289.31
4. Step 4: Simplify right side
   43,401.95x = 1,693,880,429.34
5. Step 5: Solve for x
   x = 1,693,880,429.34/43,401.95
6. Step 6: Final answer
   x = 39,027.75