Finding the Fourth Proportional to 536,105.42, 739,838.36 and 291,100.60

Step by Step Solution

1. Step 1: Write the proportion equation
   536,105.42 : 739,838.36 = 291,100.60 : x
2. Step 2: Convert to fraction form
   536,105.42/739,838.36 = 291,100.60/x
3. Step 3: Cross multiply
   536,105.42x = 739,838.36 × 291,100.60
4. Step 4: Simplify right side
   536,105.42x = 215,367,390,499.02
5. Step 5: Solve for x
   x = 215,367,390,499.02/536,105.42
6. Step 6: Final answer
   x = 401,725.82