Finding the Fourth Proportional to 10,012.50, 13,816.71 and 5,535.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,012.50 : 13,816.71 = 5,535.99 : x
2. Step 2: Convert to fraction form
   10,012.50/13,816.71 = 5,535.99/x
3. Step 3: Cross multiply
   10,012.50x = 13,816.71 × 5,535.99
4. Step 4: Simplify right side
   10,012.50x = 76,489,168.39
5. Step 5: Solve for x
   x = 76,489,168.39/10,012.50
6. Step 6: Final answer
   x = 7,639.37