Finding the Fourth Proportional to 46,978.84, 64,830.32 and 25,758.07

Step by Step Solution

1. Step 1: Write the proportion equation
   46,978.84 : 64,830.32 = 25,758.07 : x
2. Step 2: Convert to fraction form
   46,978.84/64,830.32 = 25,758.07/x
3. Step 3: Cross multiply
   46,978.84x = 64,830.32 × 25,758.07
4. Step 4: Simplify right side
   46,978.84x = 1,669,903,791.89
5. Step 5: Solve for x
   x = 1,669,903,791.89/46,978.84
6. Step 6: Final answer
   x = 35,545.87