Finding the Fourth Proportional to 89,145.99, 133,762.52 and 39,219.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,145.99 : 133,762.52 = 39,219.84 : x
2. Step 2: Convert to fraction form
   89,145.99/133,762.52 = 39,219.84/x
3. Step 3: Cross multiply
   89,145.99x = 133,762.52 × 39,219.84
4. Step 4: Simplify right side
   89,145.99x = 5,246,144,436.30
5. Step 5: Solve for x
   x = 5,246,144,436.30/89,145.99
6. Step 6: Final answer
   x = 58,848.91