Finding the Fourth Proportional to 13,773.72, 19,007.76 and 7,486.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773.72 : 19,007.76 = 7,486.08 : x
2. Step 2: Convert to fraction form
   13,773.72/19,007.76 = 7,486.08/x
3. Step 3: Cross multiply
   13,773.72x = 19,007.76 × 7,486.08
4. Step 4: Simplify right side
   13,773.72x = 142,293,611.98
5. Step 5: Solve for x
   x = 142,293,611.98/13,773.72
6. Step 6: Final answer
   x = 10,330.80