Finding the Fourth Proportional to 42,996.96, 64,499.52 and 16,703.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,996.96 : 64,499.52 = 16,703.76 : x
2. Step 2: Convert to fraction form
   42,996.96/64,499.52 = 16,703.76/x
3. Step 3: Cross multiply
   42,996.96x = 64,499.52 × 16,703.76
4. Step 4: Simplify right side
   42,996.96x = 1,077,384,502.20
5. Step 5: Solve for x
   x = 1,077,384,502.20/42,996.96
6. Step 6: Final answer
   x = 25,057.23