Finding the Fourth Proportional to 46,978.65, 64,830.24 and 25,758

Step by Step Solution

1. Step 1: Write the proportion equation
   46,978.65 : 64,830.24 = 25,758 : x
2. Step 2: Convert to fraction form
   46,978.65/64,830.24 = 25,758/x
3. Step 3: Cross multiply
   46,978.65x = 64,830.24 × 25,758
4. Step 4: Simplify right side
   46,978.65x = 1,669,897,321.92
5. Step 5: Solve for x
   x = 1,669,897,321.92/46,978.65
6. Step 6: Final answer
   x = 35,545.88