Finding the Fourth Proportional to 46,979.80, 64,830.72 and 25,758.34

Step by Step Solution

1. Step 1: Write the proportion equation
   46,979.80 : 64,830.72 = 25,758.34 : x
2. Step 2: Convert to fraction form
   46,979.80/64,830.72 = 25,758.34/x
3. Step 3: Cross multiply
   46,979.80x = 64,830.72 × 25,758.34
4. Step 4: Simplify right side
   46,979.80x = 1,669,931,728.20
5. Step 5: Solve for x
   x = 1,669,931,728.20/46,979.80
6. Step 6: Final answer
   x = 35,545.74