Finding the Fourth Proportional to 34,788.72, 47,997 and 19,679.88

Step by Step Solution

1. Step 1: Write the proportion equation
   34,788.72 : 47,997 = 19,679.88 : x
2. Step 2: Convert to fraction form
   34,788.72/47,997 = 19,679.88/x
3. Step 3: Cross multiply
   34,788.72x = 47,997 × 19,679.88
4. Step 4: Simplify right side
   34,788.72x = 944,575,200.36
5. Step 5: Solve for x
   x = 944,575,200.36/34,788.72
6. Step 6: Final answer
   x = 27,151.77