Finding the Fourth Proportional to 12,300,859.72, 18,453,050.50 and 3,781,911.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300,859.72 : 18,453,050.50 = 3,781,911.48 : x
2. Step 2: Convert to fraction form
   12,300,859.72/18,453,050.50 = 3,781,911.48/x
3. Step 3: Cross multiply
   12,300,859.72x = 18,453,050.50 × 3,781,911.48
4. Step 4: Simplify right side
   12,300,859.72x = 69,787,803,526,969.74
5. Step 5: Solve for x
   x = 69,787,803,526,969.74/12,300,859.72
6. Step 6: Final answer
   x = 5,673,408.62