Finding the Fourth Proportional to 7,147,934.04, 10,727,216.72 and 2,888,139.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,147,934.04 : 10,727,216.72 = 2,888,139.20 : x
2. Step 2: Convert to fraction form
   7,147,934.04/10,727,216.72 = 2,888,139.20/x
3. Step 3: Cross multiply
   7,147,934.04x = 10,727,216.72 × 2,888,139.20
4. Step 4: Simplify right side
   7,147,934.04x = 30,981,695,115,927.43
5. Step 5: Solve for x
   x = 30,981,695,115,927.43/7,147,934.04
6. Step 6: Final answer
   x = 4,334,356.60