Finding the Fourth Proportional to 97,734.72, 146,508.45 and 31,131.69

Step by Step Solution

1. Step 1: Write the proportion equation
   97,734.72 : 146,508.45 = 31,131.69 : x
2. Step 2: Convert to fraction form
   97,734.72/146,508.45 = 31,131.69/x
3. Step 3: Cross multiply
   97,734.72x = 146,508.45 × 31,131.69
4. Step 4: Simplify right side
   97,734.72x = 4,561,055,647.78
5. Step 5: Solve for x
   x = 4,561,055,647.78/97,734.72
6. Step 6: Final answer
   x = 46,667.71