Finding the Fourth Proportional to 47,037.20, 64,911.56 and 25,816.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,037.20 : 64,911.56 = 25,816.72 : x
2. Step 2: Convert to fraction form
   47,037.20/64,911.56 = 25,816.72/x
3. Step 3: Cross multiply
   47,037.20x = 64,911.56 × 25,816.72
4. Step 4: Simplify right side
   47,037.20x = 1,675,803,569.28
5. Step 5: Solve for x
   x = 1,675,803,569.28/47,037.20
6. Step 6: Final answer
   x = 35,627.20