Finding the Fourth Proportional to 5,142,109.32, 7,096,065.59 and 2,818,959.65

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142,109.32 : 7,096,065.59 = 2,818,959.65 : x
2. Step 2: Convert to fraction form
   5,142,109.32/7,096,065.59 = 2,818,959.65/x
3. Step 3: Cross multiply
   5,142,109.32x = 7,096,065.59 × 2,818,959.65
4. Step 4: Simplify right side
   5,142,109.32x = 20,003,522,571,963.44
5. Step 5: Solve for x
   x = 20,003,522,571,963.44/5,142,109.32
6. Step 6: Final answer
   x = 3,890,139.50