Finding the Fourth Proportional to 12,812,300.57, 19,214,496.15 and 3,715,068.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,812,300.57 : 19,214,496.15 = 3,715,068.71 : x
2. Step 2: Convert to fraction form
   12,812,300.57/19,214,496.15 = 3,715,068.71/x
3. Step 3: Cross multiply
   12,812,300.57x = 19,214,496.15 × 3,715,068.71
4. Step 4: Simplify right side
   12,812,300.57x = 71,383,173,425,280.45
5. Step 5: Solve for x
   x = 71,383,173,425,280.45/12,812,300.57
6. Step 6: Final answer
   x = 5,571,456.35