Finding the Fourth Proportional to 340,437.27, 469,799.60 and 187,472.37

Step by Step Solution

1. Step 1: Write the proportion equation
   340,437.27 : 469,799.60 = 187,472.37 : x
2. Step 2: Convert to fraction form
   340,437.27/469,799.60 = 187,472.37/x
3. Step 3: Cross multiply
   340,437.27x = 469,799.60 × 187,472.37
4. Step 4: Simplify right side
   340,437.27x = 88,074,443,499.69
5. Step 5: Solve for x
   x = 88,074,443,499.69/340,437.27
6. Step 6: Final answer
   x = 258,709.76