Finding the Fourth Proportional to 12,588,074.78, 17,371,517.70 and 7,081,453.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,588,074.78 : 17,371,517.70 = 7,081,453.49 : x
2. Step 2: Convert to fraction form
   12,588,074.78/17,371,517.70 = 7,081,453.49/x
3. Step 3: Cross multiply
   12,588,074.78x = 17,371,517.70 × 7,081,453.49
4. Step 4: Simplify right side
   12,588,074.78x = 123,015,594,643,261.77
5. Step 5: Solve for x
   x = 123,015,594,643,261.77/12,588,074.78
6. Step 6: Final answer
   x = 9,772,391.47