Finding the Fourth Proportional to 12,009,165.42, 18,013,790.24 and 2,911,225.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,009,165.42 : 18,013,790.24 = 2,911,225.98 : x
2. Step 2: Convert to fraction form
   12,009,165.42/18,013,790.24 = 2,911,225.98/x
3. Step 3: Cross multiply
   12,009,165.42x = 18,013,790.24 × 2,911,225.98
4. Step 4: Simplify right side
   12,009,165.42x = 52,442,214,144,958.43
5. Step 5: Solve for x
   x = 52,442,214,144,958.43/12,009,165.42
6. Step 6: Final answer
   x = 4,366,849.18