Finding the Fourth Proportional to 13,773.63, 19,007.61 and 7,486

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773.63 : 19,007.61 = 7,486 : x
2. Step 2: Convert to fraction form
   13,773.63/19,007.61 = 7,486/x
3. Step 3: Cross multiply
   13,773.63x = 19,007.61 × 7,486
4. Step 4: Simplify right side
   13,773.63x = 142,290,968.46
5. Step 5: Solve for x
   x = 142,290,968.46/13,773.63
6. Step 6: Final answer
   x = 10,330.68