Finding the Fourth Proportional to 64,005.40, 88,290.72 and 37,144.48

Step by Step Solution

1. Step 1: Write the proportion equation
   64,005.40 : 88,290.72 = 37,144.48 : x
2. Step 2: Convert to fraction form
   64,005.40/88,290.72 = 37,144.48/x
3. Step 3: Cross multiply
   64,005.40x = 88,290.72 × 37,144.48
4. Step 4: Simplify right side
   64,005.40x = 3,279,512,883.23
5. Step 5: Solve for x
   x = 3,279,512,883.23/64,005.40
6. Step 6: Final answer
   x = 51,238.07