Finding the Fourth Proportional to 105,247.34, 157,891.77 and 34,156.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,247.34 : 157,891.77 = 34,156.72 : x
2. Step 2: Convert to fraction form
   105,247.34/157,891.77 = 34,156.72/x
3. Step 3: Cross multiply
   105,247.34x = 157,891.77 × 34,156.72
4. Step 4: Simplify right side
   105,247.34x = 5,393,064,807.41
5. Step 5: Solve for x
   x = 5,393,064,807.41/105,247.34
6. Step 6: Final answer
   x = 51,241.82