Finding the Fourth Proportional to 14,554.72, 21,835.31 and 7,977.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,554.72 : 21,835.31 = 7,977.52 : x
2. Step 2: Convert to fraction form
   14,554.72/21,835.31 = 7,977.52/x
3. Step 3: Cross multiply
   14,554.72x = 21,835.31 × 7,977.52
4. Step 4: Simplify right side
   14,554.72x = 174,191,622.23
5. Step 5: Solve for x
   x = 174,191,622.23/14,554.72
6. Step 6: Final answer
   x = 11,968.05