Finding the Fourth Proportional to 160,942.91, 222,090.86 and 89,322.98

Step by Step Solution

1. Step 1: Write the proportion equation
   160,942.91 : 222,090.86 = 89,322.98 : x
2. Step 2: Convert to fraction form
   160,942.91/222,090.86 = 89,322.98/x
3. Step 3: Cross multiply
   160,942.91x = 222,090.86 × 89,322.98
4. Step 4: Simplify right side
   160,942.91x = 19,837,816,558.82
5. Step 5: Solve for x
   x = 19,837,816,558.82/160,942.91
6. Step 6: Final answer
   x = 123,259.96