Finding the Fourth Proportional to 41,970.89, 62,962.47 and 12,384.87

Step by Step Solution

1. Step 1: Write the proportion equation
   41,970.89 : 62,962.47 = 12,384.87 : x
2. Step 2: Convert to fraction form
   41,970.89/62,962.47 = 12,384.87/x
3. Step 3: Cross multiply
   41,970.89x = 62,962.47 × 12,384.87
4. Step 4: Simplify right side
   41,970.89x = 779,782,005.83
5. Step 5: Solve for x
   x = 779,782,005.83/41,970.89
6. Step 6: Final answer
   x = 18,579.12