Finding the Fourth Proportional to 711,423.60, 1,067,191.56 and 238,110.72

Step by Step Solution

1. Step 1: Write the proportion equation
   711,423.60 : 1,067,191.56 = 238,110.72 : x
2. Step 2: Convert to fraction form
   711,423.60/1,067,191.56 = 238,110.72/x
3. Step 3: Cross multiply
   711,423.60x = 1,067,191.56 × 238,110.72
4. Step 4: Simplify right side
   711,423.60x = 254,109,750,729.52
5. Step 5: Solve for x
   x = 254,109,750,729.52/711,423.60
6. Step 6: Final answer
   x = 357,184.88