Finding the Fourth Proportional to 97,640.91, 146,472.17 and 31,065.59

Step by Step Solution

1. Step 1: Write the proportion equation
   97,640.91 : 146,472.17 = 31,065.59 : x
2. Step 2: Convert to fraction form
   97,640.91/146,472.17 = 31,065.59/x
3. Step 3: Cross multiply
   97,640.91x = 146,472.17 × 31,065.59
4. Step 4: Simplify right side
   97,640.91x = 4,550,244,590.48
5. Step 5: Solve for x
   x = 4,550,244,590.48/97,640.91
6. Step 6: Final answer
   x = 46,601.82