Finding the Fourth Proportional to 101,131.12, 151,691.01 and 31,010.23

Step by Step Solution

1. Step 1: Write the proportion equation
   101,131.12 : 151,691.01 = 31,010.23 : x
2. Step 2: Convert to fraction form
   101,131.12/151,691.01 = 31,010.23/x
3. Step 3: Cross multiply
   101,131.12x = 151,691.01 × 31,010.23
4. Step 4: Simplify right side
   101,131.12x = 4,703,973,109.03
5. Step 5: Solve for x
   x = 4,703,973,109.03/101,131.12
6. Step 6: Final answer
   x = 46,513.61