Finding the Fourth Proportional to 42,818.76, 64,184.22 and 16,513.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,818.76 : 64,184.22 = 16,513.16 : x
2. Step 2: Convert to fraction form
   42,818.76/64,184.22 = 16,513.16/x
3. Step 3: Cross multiply
   42,818.76x = 64,184.22 × 16,513.16
4. Step 4: Simplify right side
   42,818.76x = 1,059,884,294.34
5. Step 5: Solve for x
   x = 1,059,884,294.34/42,818.76
6. Step 6: Final answer
   x = 24,752.80