Finding the Fourth Proportional to 19,368,982.68, 26,728,158.72 and 10,665,456.52

Step by Step Solution

1. Step 1: Write the proportion equation
   19,368,982.68 : 26,728,158.72 = 10,665,456.52 : x
2. Step 2: Convert to fraction form
   19,368,982.68/26,728,158.72 = 10,665,456.52/x
3. Step 3: Cross multiply
   19,368,982.68x = 26,728,158.72 × 10,665,456.52
4. Step 4: Simplify right side
   19,368,982.68x = 285,068,014,687,818.81
5. Step 5: Solve for x
   x = 285,068,014,687,818.81/19,368,982.68
6. Step 6: Final answer
   x = 14,717,758.77