Finding the Fourth Proportional to 148,089.34, 204,367.98 and 81,021.34

Step by Step Solution

1. Step 1: Write the proportion equation
   148,089.34 : 204,367.98 = 81,021.34 : x
2. Step 2: Convert to fraction form
   148,089.34/204,367.98 = 81,021.34/x
3. Step 3: Cross multiply
   148,089.34x = 204,367.98 × 81,021.34
4. Step 4: Simplify right side
   148,089.34x = 16,558,167,592.69
5. Step 5: Solve for x
   x = 16,558,167,592.69/148,089.34
6. Step 6: Final answer
   x = 111,812.02