Finding the Fourth Proportional to 286,355.27, 429,530.18 and 174,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   286,355.27 : 429,530.18 = 174,066.50 : x
2. Step 2: Convert to fraction form
   286,355.27/429,530.18 = 174,066.50/x
3. Step 3: Cross multiply
   286,355.27x = 429,530.18 × 174,066.50
4. Step 4: Simplify right side
   286,355.27x = 74,766,815,280.46
5. Step 5: Solve for x
   x = 74,766,815,280.46/286,355.27
6. Step 6: Final answer
   x = 261,098.09