Finding the Fourth Proportional to 146,405.42, 202,039.71 and 79,337.42

Step by Step Solution

1. Step 1: Write the proportion equation
   146,405.42 : 202,039.71 = 79,337.42 : x
2. Step 2: Convert to fraction form
   146,405.42/202,039.71 = 79,337.42/x
3. Step 3: Cross multiply
   146,405.42x = 202,039.71 × 79,337.42
4. Step 4: Simplify right side
   146,405.42x = 16,029,309,328.95
5. Step 5: Solve for x
   x = 16,029,309,328.95/146,405.42
6. Step 6: Final answer
   x = 109,485.76