Finding the Fourth Proportional to 42,708.16, 64,061.44 and 25,061.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,708.16 : 64,061.44 = 25,061.52 : x
2. Step 2: Convert to fraction form
   42,708.16/64,061.44 = 25,061.52/x
3. Step 3: Cross multiply
   42,708.16x = 64,061.44 × 25,061.52
4. Step 4: Simplify right side
   42,708.16x = 1,605,477,059.79
5. Step 5: Solve for x
   x = 1,605,477,059.79/42,708.16
6. Step 6: Final answer
   x = 37,591.81