Finding the Fourth Proportional to 43,300.50, 64,763.12 and 25,488.72

Step by Step Solution

1. Step 1: Write the proportion equation
   43,300.50 : 64,763.12 = 25,488.72 : x
2. Step 2: Convert to fraction form
   43,300.50/64,763.12 = 25,488.72/x
3. Step 3: Cross multiply
   43,300.50x = 64,763.12 × 25,488.72
4. Step 4: Simplify right side
   43,300.50x = 1,650,729,032.01
5. Step 5: Solve for x
   x = 1,650,729,032.01/43,300.50
6. Step 6: Final answer
   x = 38,122.63