Finding the Fourth Proportional to 223,779.72, 335,700.49 and 71,981.06

Step by Step Solution

1. Step 1: Write the proportion equation
   223,779.72 : 335,700.49 = 71,981.06 : x
2. Step 2: Convert to fraction form
   223,779.72/335,700.49 = 71,981.06/x
3. Step 3: Cross multiply
   223,779.72x = 335,700.49 × 71,981.06
4. Step 4: Simplify right side
   223,779.72x = 24,164,077,112.72
5. Step 5: Solve for x
   x = 24,164,077,112.72/223,779.72
6. Step 6: Final answer
   x = 107,981.53