Finding the Fourth Proportional to 22,501.14, 31,049.78 and 13,070.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,501.14 : 31,049.78 = 13,070.31 : x
2. Step 2: Convert to fraction form
   22,501.14/31,049.78 = 13,070.31/x
3. Step 3: Cross multiply
   22,501.14x = 31,049.78 × 13,070.31
4. Step 4: Simplify right side
   22,501.14x = 405,830,184.68
5. Step 5: Solve for x
   x = 405,830,184.68/22,501.14
6. Step 6: Final answer
   x = 18,035.98