Finding the Fourth Proportional to 47,002.78, 64,863.93 and 25,782.22

Step by Step Solution

1. Step 1: Write the proportion equation
   47,002.78 : 64,863.93 = 25,782.22 : x
2. Step 2: Convert to fraction form
   47,002.78/64,863.93 = 25,782.22/x
3. Step 3: Cross multiply
   47,002.78x = 64,863.93 × 25,782.22
4. Step 4: Simplify right side
   47,002.78x = 1,672,336,113.32
5. Step 5: Solve for x
   x = 1,672,336,113.32/47,002.78
6. Step 6: Final answer
   x = 35,579.51