Finding the Fourth Proportional to 54,697.92, 82,061.47 and 19,637.88

Step by Step Solution

1. Step 1: Write the proportion equation
   54,697.92 : 82,061.47 = 19,637.88 : x
2. Step 2: Convert to fraction form
   54,697.92/82,061.47 = 19,637.88/x
3. Step 3: Cross multiply
   54,697.92x = 82,061.47 × 19,637.88
4. Step 4: Simplify right side
   54,697.92x = 1,611,513,300.48
5. Step 5: Solve for x
   x = 1,611,513,300.48/54,697.92
6. Step 6: Final answer
   x = 29,462.06