Finding the Fourth Proportional to 31,061.49, 46,559.70 and 13,526.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,061.49 : 46,559.70 = 13,526.61 : x
2. Step 2: Convert to fraction form
   31,061.49/46,559.70 = 13,526.61/x
3. Step 3: Cross multiply
   31,061.49x = 46,559.70 × 13,526.61
4. Step 4: Simplify right side
   31,061.49x = 629,794,903.62
5. Step 5: Solve for x
   x = 629,794,903.62/31,061.49
6. Step 6: Final answer
   x = 20,275.75