Finding the Fourth Proportional to 536,086.99, 739,802.25 and 291,072.52

Step by Step Solution

1. Step 1: Write the proportion equation
   536,086.99 : 739,802.25 = 291,072.52 : x
2. Step 2: Convert to fraction form
   536,086.99/739,802.25 = 291,072.52/x
3. Step 3: Cross multiply
   536,086.99x = 739,802.25 × 291,072.52
4. Step 4: Simplify right side
   536,086.99x = 215,336,100,054.80
5. Step 5: Solve for x
   x = 215,336,100,054.80/536,086.99
6. Step 6: Final answer
   x = 401,681.27