Finding the Fourth Proportional to 146,513.10, 202,189.30 and 79,445.10

Step by Step Solution

1. Step 1: Write the proportion equation
   146,513.10 : 202,189.30 = 79,445.10 : x
2. Step 2: Convert to fraction form
   146,513.10/202,189.30 = 79,445.10/x
3. Step 3: Cross multiply
   146,513.10x = 202,189.30 × 79,445.10
4. Step 4: Simplify right side
   146,513.10x = 16,062,949,157.43
5. Step 5: Solve for x
   x = 16,062,949,157.43/146,513.10
6. Step 6: Final answer
   x = 109,634.90