Finding the Fourth Proportional to 108,066.32, 162,089.74 and 76,611.18

Step by Step Solution

1. Step 1: Write the proportion equation
   108,066.32 : 162,089.74 = 76,611.18 : x
2. Step 2: Convert to fraction form
   108,066.32/162,089.74 = 76,611.18/x
3. Step 3: Cross multiply
   108,066.32x = 162,089.74 × 76,611.18
4. Step 4: Simplify right side
   108,066.32x = 12,417,886,950.89
5. Step 5: Solve for x
   x = 12,417,886,950.89/108,066.32
6. Step 6: Final answer
   x = 114,909.87