Finding the Fourth Proportional to 13,773.84, 19,008.18 and 7,486.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773.84 : 19,008.18 = 7,486.62 : x
2. Step 2: Convert to fraction form
   13,773.84/19,008.18 = 7,486.62/x
3. Step 3: Cross multiply
   13,773.84x = 19,008.18 × 7,486.62
4. Step 4: Simplify right side
   13,773.84x = 142,307,020.55
5. Step 5: Solve for x
   x = 142,307,020.55/13,773.84
6. Step 6: Final answer
   x = 10,331.69