Finding the Fourth Proportional to 31,101.39, 46,642.52 and 8,908.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,101.39 : 46,642.52 = 8,908.81 : x
2. Step 2: Convert to fraction form
   31,101.39/46,642.52 = 8,908.81/x
3. Step 3: Cross multiply
   31,101.39x = 46,642.52 × 8,908.81
4. Step 4: Simplify right side
   31,101.39x = 415,529,254.27
5. Step 5: Solve for x
   x = 415,529,254.27/31,101.39
6. Step 6: Final answer
   x = 13,360.47