Finding the Fourth Proportional to 42,682.02, 64,026.45 and 11,516.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,682.02 : 64,026.45 = 11,516.82 : x
2. Step 2: Convert to fraction form
   42,682.02/64,026.45 = 11,516.82/x
3. Step 3: Cross multiply
   42,682.02x = 64,026.45 × 11,516.82
4. Step 4: Simplify right side
   42,682.02x = 737,381,099.89
5. Step 5: Solve for x
   x = 737,381,099.89/42,682.02
6. Step 6: Final answer
   x = 17,276.15