Finding the Fourth Proportional to 31,089.33, 46,620.27 and 8,897.64

Step by Step Solution

1. Step 1: Write the proportion equation
   31,089.33 : 46,620.27 = 8,897.64 : x
2. Step 2: Convert to fraction form
   31,089.33/46,620.27 = 8,897.64/x
3. Step 3: Cross multiply
   31,089.33x = 46,620.27 × 8,897.64
4. Step 4: Simplify right side
   31,089.33x = 414,810,379.16
5. Step 5: Solve for x
   x = 414,810,379.16/31,089.33
6. Step 6: Final answer
   x = 13,342.53