Finding the Fourth Proportional to 43,367.86, 65,050.76 and 19,994.30

Step by Step Solution

1. Step 1: Write the proportion equation
   43,367.86 : 65,050.76 = 19,994.30 : x
2. Step 2: Convert to fraction form
   43,367.86/65,050.76 = 19,994.30/x
3. Step 3: Cross multiply
   43,367.86x = 65,050.76 × 19,994.30
4. Step 4: Simplify right side
   43,367.86x = 1,300,644,410.67
5. Step 5: Solve for x
   x = 1,300,644,410.67/43,367.86
6. Step 6: Final answer
   x = 29,990.98