Finding the Fourth Proportional to 47,343.86, 65,355.98 and 30,123.30

Step by Step Solution

1. Step 1: Write the proportion equation
   47,343.86 : 65,355.98 = 30,123.30 : x
2. Step 2: Convert to fraction form
   47,343.86/65,355.98 = 30,123.30/x
3. Step 3: Cross multiply
   47,343.86x = 65,355.98 × 30,123.30
4. Step 4: Simplify right side
   47,343.86x = 1,968,737,792.33
5. Step 5: Solve for x
   x = 1,968,737,792.33/47,343.86
6. Step 6: Final answer
   x = 41,583.80