Finding the Fourth Proportional to 260,456.34, 359,499.93 and 153,098.34

Step by Step Solution

1. Step 1: Write the proportion equation
   260,456.34 : 359,499.93 = 153,098.34 : x
2. Step 2: Convert to fraction form
   260,456.34/359,499.93 = 153,098.34/x
3. Step 3: Cross multiply
   260,456.34x = 359,499.93 × 153,098.34
4. Step 4: Simplify right side
   260,456.34x = 55,038,842,513.12
5. Step 5: Solve for x
   x = 55,038,842,513.12/260,456.34
6. Step 6: Final answer
   x = 211,316.96