Finding the Fourth Proportional to 46,978.65, 64,855.53 and 31,951.53

Step by Step Solution

1. Step 1: Write the proportion equation
   46,978.65 : 64,855.53 = 31,951.53 : x
2. Step 2: Convert to fraction form
   46,978.65/64,855.53 = 31,951.53/x
3. Step 3: Cross multiply
   46,978.65x = 64,855.53 × 31,951.53
4. Step 4: Simplify right side
   46,978.65x = 2,072,233,412.46
5. Step 5: Solve for x
   x = 2,072,233,412.46/46,978.65
6. Step 6: Final answer
   x = 44,110.11