Finding the Fourth Proportional to 148,880.52, 205,456.74 and 81,812.52

Step by Step Solution

1. Step 1: Write the proportion equation
   148,880.52 : 205,456.74 = 81,812.52 : x
2. Step 2: Convert to fraction form
   148,880.52/205,456.74 = 81,812.52/x
3. Step 3: Cross multiply
   148,880.52x = 205,456.74 × 81,812.52
4. Step 4: Simplify right side
   148,880.52x = 16,808,933,650.38
5. Step 5: Solve for x
   x = 16,808,933,650.38/148,880.52
6. Step 6: Final answer
   x = 112,902.17