Finding the Fourth Proportional to 105,438.53, 158,141.54 and 34,360.98

Step by Step Solution

1. Step 1: Write the proportion equation
   105,438.53 : 158,141.54 = 34,360.98 : x
2. Step 2: Convert to fraction form
   105,438.53/158,141.54 = 34,360.98/x
3. Step 3: Cross multiply
   105,438.53x = 158,141.54 × 34,360.98
4. Step 4: Simplify right side
   105,438.53x = 5,433,898,121.30
5. Step 5: Solve for x
   x = 5,433,898,121.30/105,438.53
6. Step 6: Final answer
   x = 51,536.17