Finding the Fourth Proportional to 791,870.57, 1,187,793.50 and 192,830.71

Step by Step Solution

1. Step 1: Write the proportion equation
   791,870.57 : 1,187,793.50 = 192,830.71 : x
2. Step 2: Convert to fraction form
   791,870.57/1,187,793.50 = 192,830.71/x
3. Step 3: Cross multiply
   791,870.57x = 1,187,793.50 × 192,830.71
4. Step 4: Simplify right side
   791,870.57x = 229,043,063,938.39
5. Step 5: Solve for x
   x = 229,043,063,938.39/791,870.57
6. Step 6: Final answer
   x = 289,243.06