Finding the Fourth Proportional to 106,412.46, 159,642.18 and 31,538.58

Step by Step Solution

1. Step 1: Write the proportion equation
   106,412.46 : 159,642.18 = 31,538.58 : x
2. Step 2: Convert to fraction form
   106,412.46/159,642.18 = 31,538.58/x
3. Step 3: Cross multiply
   106,412.46x = 159,642.18 × 31,538.58
4. Step 4: Simplify right side
   106,412.46x = 5,034,887,665.30
5. Step 5: Solve for x
   x = 5,034,887,665.30/106,412.46
6. Step 6: Final answer
   x = 47,314.83