Finding the Fourth Proportional to 5,142,151.14, 7,096,014.76 and 2,818,964.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142,151.14 : 7,096,014.76 = 2,818,964.20 : x
2. Step 2: Convert to fraction form
   5,142,151.14/7,096,014.76 = 2,818,964.20/x
3. Step 3: Cross multiply
   5,142,151.14x = 7,096,014.76 × 2,818,964.20
4. Step 4: Simplify right side
   5,142,151.14x = 20,003,411,571,111.59
5. Step 5: Solve for x
   x = 20,003,411,571,111.59/5,142,151.14
6. Step 6: Final answer
   x = 3,890,086.27