Finding the Fourth Proportional to 72,196.32, 108,312.93 and 27,811.17

Step by Step Solution

1. Step 1: Write the proportion equation
   72,196.32 : 108,312.93 = 27,811.17 : x
2. Step 2: Convert to fraction form
   72,196.32/108,312.93 = 27,811.17/x
3. Step 3: Cross multiply
   72,196.32x = 108,312.93 × 27,811.17
4. Step 4: Simplify right side
   72,196.32x = 3,012,309,309.43
5. Step 5: Solve for x
   x = 3,012,309,309.43/72,196.32
6. Step 6: Final answer
   x = 41,723.86