Finding the Fourth Proportional to 43,143,936.81, 64,724,994.17 and 13,995,499.82

Step by Step Solution

1. Step 1: Write the proportion equation
   43,143,936.81 : 64,724,994.17 = 13,995,499.82 : x
2. Step 2: Convert to fraction form
   43,143,936.81/64,724,994.17 = 13,995,499.82/x
3. Step 3: Cross multiply
   43,143,936.81x = 64,724,994.17 × 13,995,499.82
4. Step 4: Simplify right side
   43,143,936.81x = 905,858,643,862,133.50
5. Step 5: Solve for x
   x = 905,858,643,862,133.50/43,143,936.81
6. Step 6: Final answer
   x = 20,996,198.10