Finding the Fourth Proportional to 31,085.10, 46,633.86 and 8,898.66

Step by Step Solution

1. Step 1: Write the proportion equation
   31,085.10 : 46,633.86 = 8,898.66 : x
2. Step 2: Convert to fraction form
   31,085.10/46,633.86 = 8,898.66/x
3. Step 3: Cross multiply
   31,085.10x = 46,633.86 × 8,898.66
4. Step 4: Simplify right side
   31,085.10x = 414,978,864.63
5. Step 5: Solve for x
   x = 414,978,864.63/31,085.10
6. Step 6: Final answer
   x = 13,349.77