Finding the Fourth Proportional to 161,233.77, 222,564.61 and 107,499.18

Step by Step Solution

1. Step 1: Write the proportion equation
   161,233.77 : 222,564.61 = 107,499.18 : x
2. Step 2: Convert to fraction form
   161,233.77/222,564.61 = 107,499.18/x
3. Step 3: Cross multiply
   161,233.77x = 222,564.61 × 107,499.18
4. Step 4: Simplify right side
   161,233.77x = 23,925,514,041.01
5. Step 5: Solve for x
   x = 23,925,514,041.01/161,233.77
6. Step 6: Final answer
   x = 148,390.21