Finding the Fourth Proportional to 13,887.56, 19,164.72 and 7,599.92

Step by Step Solution

1. Step 1: Write the proportion equation
   13,887.56 : 19,164.72 = 7,599.92 : x
2. Step 2: Convert to fraction form
   13,887.56/19,164.72 = 7,599.92/x
3. Step 3: Cross multiply
   13,887.56x = 19,164.72 × 7,599.92
4. Step 4: Simplify right side
   13,887.56x = 145,650,338.82
5. Step 5: Solve for x
   x = 145,650,338.82/13,887.56
6. Step 6: Final answer
   x = 10,487.83