Finding the Fourth Proportional to 12,588,074.28, 17,371,517.01 and 7,081,452.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,588,074.28 : 17,371,517.01 = 7,081,452.99 : x
2. Step 2: Convert to fraction form
   12,588,074.28/17,371,517.01 = 7,081,452.99/x
3. Step 3: Cross multiply
   12,588,074.28x = 17,371,517.01 × 7,081,452.99
4. Step 4: Simplify right side
   12,588,074.28x = 123,015,581,071,300.38
5. Step 5: Solve for x
   x = 123,015,581,071,300.38/12,588,074.28
6. Step 6: Final answer
   x = 9,772,390.78