Finding the Fourth Proportional to 21,789,557.15, 32,641,815.38 and 16,974,701.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,789,557.15 : 32,641,815.38 = 16,974,701.69 : x
2. Step 2: Convert to fraction form
   21,789,557.15/32,641,815.38 = 16,974,701.69/x
3. Step 3: Cross multiply
   21,789,557.15x = 32,641,815.38 × 16,974,701.69
4. Step 4: Simplify right side
   21,789,557.15x = 554,085,078,447,471.38
5. Step 5: Solve for x
   x = 554,085,078,447,471.38/21,789,557.15
6. Step 6: Final answer
   x = 25,428,927.94