Finding the Fourth Proportional to 12,442,886.10, 18,664,329.15 and 3,467,438.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,442,886.10 : 18,664,329.15 = 3,467,438.10 : x
2. Step 2: Convert to fraction form
   12,442,886.10/18,664,329.15 = 3,467,438.10/x
3. Step 3: Cross multiply
   12,442,886.10x = 18,664,329.15 × 3,467,438.10
4. Step 4: Simplify right side
   12,442,886.10x = 64,717,406,005,650.61
5. Step 5: Solve for x
   x = 64,717,406,005,650.61/12,442,886.10
6. Step 6: Final answer
   x = 5,201,157.15