Finding the Fourth Proportional to 8,264,189.42, 12,389,184.52 and 2,872,139.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,264,189.42 : 12,389,184.52 = 2,872,139.30 : x
2. Step 2: Convert to fraction form
   8,264,189.42/12,389,184.52 = 2,872,139.30/x
3. Step 3: Cross multiply
   8,264,189.42x = 12,389,184.52 × 2,872,139.30
4. Step 4: Simplify right side
   8,264,189.42x = 35,583,463,685,717.37
5. Step 5: Solve for x
   x = 35,583,463,685,717.37/8,264,189.42
6. Step 6: Final answer
   x = 4,305,741.54