Finding the Fourth Proportional to 42,096.65, 63,156.82 and 18,406.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,096.65 : 63,156.82 = 18,406.28 : x
2. Step 2: Convert to fraction form
   42,096.65/63,156.82 = 18,406.28/x
3. Step 3: Cross multiply
   42,096.65x = 63,156.82 × 18,406.28
4. Step 4: Simplify right side
   42,096.65x = 1,162,482,056.89
5. Step 5: Solve for x
   x = 1,162,482,056.89/42,096.65
6. Step 6: Final answer
   x = 27,614.60