Finding the Fourth Proportional to 728,209.55, 1,092,312.72 and 195,730.56

Step by Step Solution

1. Step 1: Write the proportion equation
   728,209.55 : 1,092,312.72 = 195,730.56 : x
2. Step 2: Convert to fraction form
   728,209.55/1,092,312.72 = 195,730.56/x
3. Step 3: Cross multiply
   728,209.55x = 1,092,312.72 × 195,730.56
4. Step 4: Simplify right side
   728,209.55x = 213,798,980,380.72
5. Step 5: Solve for x
   x = 213,798,980,380.72/728,209.55
6. Step 6: Final answer
   x = 293,595.41