Finding the Fourth Proportional to 43,300.42, 64,957.92 and 15,219.34

Step by Step Solution

1. Step 1: Write the proportion equation
   43,300.42 : 64,957.92 = 15,219.34 : x
2. Step 2: Convert to fraction form
   43,300.42/64,957.92 = 15,219.34/x
3. Step 3: Cross multiply
   43,300.42x = 64,957.92 × 15,219.34
4. Step 4: Simplify right side
   43,300.42x = 988,616,670.17
5. Step 5: Solve for x
   x = 988,616,670.17/43,300.42
6. Step 6: Final answer
   x = 22,831.57