Finding the Fourth Proportional to 46,978.58, 64,829.49 and 25,758.02

Step by Step Solution

1. Step 1: Write the proportion equation
   46,978.58 : 64,829.49 = 25,758.02 : x
2. Step 2: Convert to fraction form
   46,978.58/64,829.49 = 25,758.02/x
3. Step 3: Cross multiply
   46,978.58x = 64,829.49 × 25,758.02
4. Step 4: Simplify right side
   46,978.58x = 1,669,879,300.01
5. Step 5: Solve for x
   x = 1,669,879,300.01/46,978.58
6. Step 6: Final answer
   x = 35,545.55