Finding the Fourth Proportional to 166,613.03, 229,925.28 and 90,131.93

Step by Step Solution

1. Step 1: Write the proportion equation
   166,613.03 : 229,925.28 = 90,131.93 : x
2. Step 2: Convert to fraction form
   166,613.03/229,925.28 = 90,131.93/x
3. Step 3: Cross multiply
   166,613.03x = 229,925.28 × 90,131.93
4. Step 4: Simplify right side
   166,613.03x = 20,723,610,042.33
5. Step 5: Solve for x
   x = 20,723,610,042.33/166,613.03
6. Step 6: Final answer
   x = 124,381.69