Finding the Fourth Proportional to 173,200.83, 238,991.49 and 105,182.34

Step by Step Solution

1. Step 1: Write the proportion equation
   173,200.83 : 238,991.49 = 105,182.34 : x
2. Step 2: Convert to fraction form
   173,200.83/238,991.49 = 105,182.34/x
3. Step 3: Cross multiply
   173,200.83x = 238,991.49 × 105,182.34
4. Step 4: Simplify right side
   173,200.83x = 25,137,684,158.29
5. Step 5: Solve for x
   x = 25,137,684,158.29/173,200.83
6. Step 6: Final answer
   x = 145,136.05