Finding the Fourth Proportional to 17,993,395.69, 24,805,059.40 and 12,827,789.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,993,395.69 : 24,805,059.40 = 12,827,789.17 : x
2. Step 2: Convert to fraction form
   17,993,395.69/24,805,059.40 = 12,827,789.17/x
3. Step 3: Cross multiply
   17,993,395.69x = 24,805,059.40 × 12,827,789.17
4. Step 4: Simplify right side
   17,993,395.69x = 318,194,072,286,548.81
5. Step 5: Solve for x
   x = 318,194,072,286,548.81/17,993,395.69
6. Step 6: Final answer
   x = 17,683,936.81