Finding the Fourth Proportional to 272,672.34, 409,074.82 and 92,769.72

Step by Step Solution

1. Step 1: Write the proportion equation
   272,672.34 : 409,074.82 = 92,769.72 : x
2. Step 2: Convert to fraction form
   272,672.34/409,074.82 = 92,769.72/x
3. Step 3: Cross multiply
   272,672.34x = 409,074.82 × 92,769.72
4. Step 4: Simplify right side
   272,672.34x = 37,949,756,510.45
5. Step 5: Solve for x
   x = 37,949,756,510.45/272,672.34
6. Step 6: Final answer
   x = 139,177.14