Finding the Fourth Proportional to 97,672.83, 146,507.72 and 31,112.42

Step by Step Solution

1. Step 1: Write the proportion equation
   97,672.83 : 146,507.72 = 31,112.42 : x
2. Step 2: Convert to fraction form
   97,672.83/146,507.72 = 31,112.42/x
3. Step 3: Cross multiply
   97,672.83x = 146,507.72 × 31,112.42
4. Step 4: Simplify right side
   97,672.83x = 4,558,208,829.78
5. Step 5: Solve for x
   x = 4,558,208,829.78/97,672.83
6. Step 6: Final answer
   x = 46,668.14