Finding the Fourth Proportional to 63,978, 96,001.56 and 31,146

Step by Step Solution

1. Step 1: Write the proportion equation
   63,978 : 96,001.56 = 31,146 : x
2. Step 2: Convert to fraction form
   63,978/96,001.56 = 31,146/x
3. Step 3: Cross multiply
   63,978x = 96,001.56 × 31,146
4. Step 4: Simplify right side
   63,978x = 2,990,064,587.76
5. Step 5: Solve for x
   x = 2,990,064,587.76/63,978
6. Step 6: Final answer
   x = 46,735.82