Finding the Fourth Proportional to 13,800.84, 19,045.50 and 7,513.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,800.84 : 19,045.50 = 7,513.56 : x
2. Step 2: Convert to fraction form
   13,800.84/19,045.50 = 7,513.56/x
3. Step 3: Cross multiply
   13,800.84x = 19,045.50 × 7,513.56
4. Step 4: Simplify right side
   13,800.84x = 143,099,506.98
5. Step 5: Solve for x
   x = 143,099,506.98/13,800.84
6. Step 6: Final answer
   x = 10,368.90