Finding the Fourth Proportional to 12,046,662.72, 18,070,225.20 and 2,948,837.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,046,662.72 : 18,070,225.20 = 2,948,837.76 : x
2. Step 2: Convert to fraction form
   12,046,662.72/18,070,225.20 = 2,948,837.76/x
3. Step 3: Cross multiply
   12,046,662.72x = 18,070,225.20 × 2,948,837.76
4. Step 4: Simplify right side
   12,046,662.72x = 53,286,162,401,463.55
5. Step 5: Solve for x
   x = 53,286,162,401,463.55/12,046,662.72
6. Step 6: Final answer
   x = 4,423,313.21