Finding the Fourth Proportional to 12,772,069.38, 19,160,627.85 and 4,685,120.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,772,069.38 : 19,160,627.85 = 4,685,120.10 : x
2. Step 2: Convert to fraction form
   12,772,069.38/19,160,627.85 = 4,685,120.10/x
3. Step 3: Cross multiply
   12,772,069.38x = 19,160,627.85 × 4,685,120.10
4. Step 4: Simplify right side
   12,772,069.38x = 89,769,842,668,654.78
5. Step 5: Solve for x
   x = 89,769,842,668,654.78/12,772,069.38
6. Step 6: Final answer
   x = 7,028,605.94