Finding the Fourth Proportional to 12,451,788, 17,183,729.88 and 7,019,280

Step by Step Solution

1. Step 1: Write the proportion equation
   12,451,788 : 17,183,729.88 = 7,019,280 : x
2. Step 2: Convert to fraction form
   12,451,788/17,183,729.88 = 7,019,280/x
3. Step 3: Cross multiply
   12,451,788x = 17,183,729.88 × 7,019,280
4. Step 4: Simplify right side
   12,451,788x = 120,617,411,472,086.39
5. Step 5: Solve for x
   x = 120,617,411,472,086.39/12,451,788
6. Step 6: Final answer
   x = 9,686,754.34