Finding the Fourth Proportional to 31,089.08, 46,623.54 and 10,307

Step by Step Solution

1. Step 1: Write the proportion equation
   31,089.08 : 46,623.54 = 10,307 : x
2. Step 2: Convert to fraction form
   31,089.08/46,623.54 = 10,307/x
3. Step 3: Cross multiply
   31,089.08x = 46,623.54 × 10,307
4. Step 4: Simplify right side
   31,089.08x = 480,548,826.78
5. Step 5: Solve for x
   x = 480,548,826.78/31,089.08
6. Step 6: Final answer
   x = 15,457.16