Finding the Fourth Proportional to 13,722.02, 18,935.33 and 7,754.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,722.02 : 18,935.33 = 7,754.34 : x
2. Step 2: Convert to fraction form
   13,722.02/18,935.33 = 7,754.34/x
3. Step 3: Cross multiply
   13,722.02x = 18,935.33 × 7,754.34
4. Step 4: Simplify right side
   13,722.02x = 146,830,948.06
5. Step 5: Solve for x
   x = 146,830,948.06/13,722.02
6. Step 6: Final answer
   x = 10,700.39