Finding the Fourth Proportional to 245,024.33, 338,124.78 and 137,598.89

Step by Step Solution

1. Step 1: Write the proportion equation
   245,024.33 : 338,124.78 = 137,598.89 : x
2. Step 2: Convert to fraction form
   245,024.33/338,124.78 = 137,598.89/x
3. Step 3: Cross multiply
   245,024.33x = 338,124.78 × 137,598.89
4. Step 4: Simplify right side
   245,024.33x = 46,525,592,718.87
5. Step 5: Solve for x
   x = 46,525,592,718.87/245,024.33
6. Step 6: Final answer
   x = 189,881.53