Finding the Fourth Proportional to 112,779.50, 169,168.94 and 50,406.26

Step by Step Solution

1. Step 1: Write the proportion equation
   112,779.50 : 169,168.94 = 50,406.26 : x
2. Step 2: Convert to fraction form
   112,779.50/169,168.94 = 50,406.26/x
3. Step 3: Cross multiply
   112,779.50x = 169,168.94 × 50,406.26
4. Step 4: Simplify right side
   112,779.50x = 8,527,172,475.69
5. Step 5: Solve for x
   x = 8,527,172,475.69/112,779.50
6. Step 6: Final answer
   x = 75,609.25