Finding the Fourth Proportional to 73,376.76, 110,061.30 and 20,786.42

Step by Step Solution

1. Step 1: Write the proportion equation
   73,376.76 : 110,061.30 = 20,786.42 : x
2. Step 2: Convert to fraction form
   73,376.76/110,061.30 = 20,786.42/x
3. Step 3: Cross multiply
   73,376.76x = 110,061.30 × 20,786.42
4. Step 4: Simplify right side
   73,376.76x = 2,287,780,407.55
5. Step 5: Solve for x
   x = 2,287,780,407.55/73,376.76
6. Step 6: Final answer
   x = 31,178.54