Finding the Fourth Proportional to 12,988,448.40, 19,482,806.52 and 5,800,348.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,988,448.40 : 19,482,806.52 = 5,800,348.56 : x
2. Step 2: Convert to fraction form
   12,988,448.40/19,482,806.52 = 5,800,348.56/x
3. Step 3: Cross multiply
   12,988,448.40x = 19,482,806.52 × 5,800,348.56
4. Step 4: Simplify right side
   12,988,448.40x = 113,007,068,743,040.59
5. Step 5: Solve for x
   x = 113,007,068,743,040.59/12,988,448.40
6. Step 6: Final answer
   x = 8,700,582.65