Finding the Fourth Proportional to 79,776.32, 119,678.71 and 26,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,776.32 : 119,678.71 = 26,471.50 : x
2. Step 2: Convert to fraction form
   79,776.32/119,678.71 = 26,471.50/x
3. Step 3: Cross multiply
   79,776.32x = 119,678.71 × 26,471.50
4. Step 4: Simplify right side
   79,776.32x = 3,168,074,971.77
5. Step 5: Solve for x
   x = 3,168,074,971.77/79,776.32
6. Step 6: Final answer
   x = 39,711.97