Finding the Fourth Proportional to 42,911.55, 64,358.52 and 16,248.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,911.55 : 64,358.52 = 16,248.34 : x
2. Step 2: Convert to fraction form
   42,911.55/64,358.52 = 16,248.34/x
3. Step 3: Cross multiply
   42,911.55x = 64,358.52 × 16,248.34
4. Step 4: Simplify right side
   42,911.55x = 1,045,719,114.86
5. Step 5: Solve for x
   x = 1,045,719,114.86/42,911.55
6. Step 6: Final answer
   x = 24,369.18