Finding the Fourth Proportional to 13,936.76, 19,233.68 and 7,887.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,936.76 : 19,233.68 = 7,887.00 : x
2. Step 2: Convert to fraction form
   13,936.76/19,233.68 = 7,887.00/x
3. Step 3: Cross multiply
   13,936.76x = 19,233.68 × 7,887.00
4. Step 4: Simplify right side
   13,936.76x = 151,696,066.85
5. Step 5: Solve for x
   x = 151,696,066.85/13,936.76
6. Step 6: Final answer
   x = 10,884.60