Finding the Fourth Proportional to 11,887.32, 17,837.12 and 5,228.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,887.32 : 17,837.12 = 5,228.48 : x
2. Step 2: Convert to fraction form
   11,887.32/17,837.12 = 5,228.48/x
3. Step 3: Cross multiply
   11,887.32x = 17,837.12 × 5,228.48
4. Step 4: Simplify right side
   11,887.32x = 93,261,068.14
5. Step 5: Solve for x
   x = 93,261,068.14/11,887.32
6. Step 6: Final answer
   x = 7,845.42