Finding the Fourth Proportional to 13,901.50, 19,184.07 and 7,613.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,901.50 : 19,184.07 = 7,613.89 : x
2. Step 2: Convert to fraction form
   13,901.50/19,184.07 = 7,613.89/x
3. Step 3: Cross multiply
   13,901.50x = 19,184.07 × 7,613.89
4. Step 4: Simplify right side
   13,901.50x = 146,065,398.73
5. Step 5: Solve for x
   x = 146,065,398.73/13,901.50
6. Step 6: Final answer
   x = 10,507.17