Finding the Fourth Proportional to 6,985,128.48, 10,477,695.12 and 3,142,462.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,985,128.48 : 10,477,695.12 = 3,142,462.56 : x
2. Step 2: Convert to fraction form
   6,985,128.48/10,477,695.12 = 3,142,462.56/x
3. Step 3: Cross multiply
   6,985,128.48x = 10,477,695.12 × 3,142,462.56
4. Step 4: Simplify right side
   6,985,128.48x = 32,925,764,629,694.71
5. Step 5: Solve for x
   x = 32,925,764,629,694.71/6,985,128.48
6. Step 6: Final answer
   x = 4,713,694.92