Finding the Fourth Proportional to 43,314.52, 64,977.72 and 15,228.15

Step by Step Solution

1. Step 1: Write the proportion equation
   43,314.52 : 64,977.72 = 15,228.15 : x
2. Step 2: Convert to fraction form
   43,314.52/64,977.72 = 15,228.15/x
3. Step 3: Cross multiply
   43,314.52x = 64,977.72 × 15,228.15
4. Step 4: Simplify right side
   43,314.52x = 989,490,574.37
5. Step 5: Solve for x
   x = 989,490,574.37/43,314.52
6. Step 6: Final answer
   x = 22,844.31