Finding the Fourth Proportional to 12,300,860.72, 18,453,052 and 3,781,912.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300,860.72 : 18,453,052 = 3,781,912.48 : x
2. Step 2: Convert to fraction form
   12,300,860.72/18,453,052 = 3,781,912.48/x
3. Step 3: Cross multiply
   12,300,860.72x = 18,453,052 × 3,781,912.48
4. Step 4: Simplify right side
   12,300,860.72x = 69,787,827,652,888.96
5. Step 5: Solve for x
   x = 69,787,827,652,888.96/12,300,860.72
6. Step 6: Final answer
   x = 5,673,410.12