Finding the Fourth Proportional to 34,137.48, 47,109.86 and 19,987.56

Step by Step Solution

1. Step 1: Write the proportion equation
   34,137.48 : 47,109.86 = 19,987.56 : x
2. Step 2: Convert to fraction form
   34,137.48/47,109.86 = 19,987.56/x
3. Step 3: Cross multiply
   34,137.48x = 47,109.86 × 19,987.56
4. Step 4: Simplify right side
   34,137.48x = 941,611,153.34
5. Step 5: Solve for x
   x = 941,611,153.34/34,137.48
6. Step 6: Final answer
   x = 27,582.91