Finding the Fourth Proportional to 190,109.05, 262,323.03 and 105,225.91

Step by Step Solution

1. Step 1: Write the proportion equation
   190,109.05 : 262,323.03 = 105,225.91 : x
2. Step 2: Convert to fraction form
   190,109.05/262,323.03 = 105,225.91/x
3. Step 3: Cross multiply
   190,109.05x = 262,323.03 × 105,225.91
4. Step 4: Simplify right side
   190,109.05x = 27,603,179,545.71
5. Step 5: Solve for x
   x = 27,603,179,545.71/190,109.05
6. Step 6: Final answer
   x = 145,196.56