Finding the Fourth Proportional to 148,086.72, 204,347.16 and 87,646.68

Step by Step Solution

1. Step 1: Write the proportion equation
   148,086.72 : 204,347.16 = 87,646.68 : x
2. Step 2: Convert to fraction form
   148,086.72/204,347.16 = 87,646.68/x
3. Step 3: Cross multiply
   148,086.72x = 204,347.16 × 87,646.68
4. Step 4: Simplify right side
   148,086.72x = 17,910,350,141.43
5. Step 5: Solve for x
   x = 17,910,350,141.43/148,086.72
6. Step 6: Final answer
   x = 120,945.01