Finding the Fourth Proportional to 38,784.72, 58,168.82 and 17,718.76

Step by Step Solution

1. Step 1: Write the proportion equation
   38,784.72 : 58,168.82 = 17,718.76 : x
2. Step 2: Convert to fraction form
   38,784.72/58,168.82 = 17,718.76/x
3. Step 3: Cross multiply
   38,784.72x = 58,168.82 × 17,718.76
4. Step 4: Simplify right side
   38,784.72x = 1,030,679,361.06
5. Step 5: Solve for x
   x = 1,030,679,361.06/38,784.72
6. Step 6: Final answer
   x = 26,574.37