Finding the Fourth Proportional to 8,654.52, 11,938.74 and 5,111.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,654.52 : 11,938.74 = 5,111.58 : x
2. Step 2: Convert to fraction form
   8,654.52/11,938.74 = 5,111.58/x
3. Step 3: Cross multiply
   8,654.52x = 11,938.74 × 5,111.58
4. Step 4: Simplify right side
   8,654.52x = 61,025,824.61
5. Step 5: Solve for x
   x = 61,025,824.61/8,654.52
6. Step 6: Final answer
   x = 7,051.32