Finding the Fourth Proportional to 72,779.72, 109,168.36 and 32,776.45

Step by Step Solution

1. Step 1: Write the proportion equation
   72,779.72 : 109,168.36 = 32,776.45 : x
2. Step 2: Convert to fraction form
   72,779.72/109,168.36 = 32,776.45/x
3. Step 3: Cross multiply
   72,779.72x = 109,168.36 × 32,776.45
4. Step 4: Simplify right side
   72,779.72x = 3,578,150,938.26
5. Step 5: Solve for x
   x = 3,578,150,938.26/72,779.72
6. Step 6: Final answer
   x = 49,164.12