Finding the Fourth Proportional to 11,012,919.71, 16,519,705.18 and 5,256,259.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,012,919.71 : 16,519,705.18 = 5,256,259.83 : x
2. Step 2: Convert to fraction form
   11,012,919.71/16,519,705.18 = 5,256,259.83/x
3. Step 3: Cross multiply
   11,012,919.71x = 16,519,705.18 × 5,256,259.83
4. Step 4: Simplify right side
   11,012,919.71x = 86,831,862,727,936.27
5. Step 5: Solve for x
   x = 86,831,862,727,936.27/11,012,919.71
6. Step 6: Final answer
   x = 7,884,545.16