Finding the Fourth Proportional to 260,196.00, 359,071.08 and 145,478.73

Step by Step Solution

1. Step 1: Write the proportion equation
   260,196.00 : 359,071.08 = 145,478.73 : x
2. Step 2: Convert to fraction form
   260,196.00/359,071.08 = 145,478.73/x
3. Step 3: Cross multiply
   260,196.00x = 359,071.08 × 145,478.73
4. Step 4: Simplify right side
   260,196.00x = 52,237,205,499.10
5. Step 5: Solve for x
   x = 52,237,205,499.10/260,196.00
6. Step 6: Final answer
   x = 200,760.99