Finding the Fourth Proportional to 12,300,858.72, 18,453,049 and 3,781,910.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300,858.72 : 18,453,049 = 3,781,910.48 : x
2. Step 2: Convert to fraction form
   12,300,858.72/18,453,049 = 3,781,910.48/x
3. Step 3: Cross multiply
   12,300,858.72x = 18,453,049 × 3,781,910.48
4. Step 4: Simplify right side
   12,300,858.72x = 69,787,779,401,053.52
5. Step 5: Solve for x
   x = 69,787,779,401,053.52/12,300,858.72
6. Step 6: Final answer
   x = 5,673,407.12