Finding the Fourth Proportional to 793,100.58, 1,189,242.63 and 319,658.82

Step by Step Solution

1. Step 1: Write the proportion equation
   793,100.58 : 1,189,242.63 = 319,658.82 : x
2. Step 2: Convert to fraction form
   793,100.58/1,189,242.63 = 319,658.82/x
3. Step 3: Cross multiply
   793,100.58x = 1,189,242.63 × 319,658.82
4. Step 4: Simplify right side
   793,100.58x = 380,151,895,799.50
5. Step 5: Solve for x
   x = 380,151,895,799.50/793,100.58
6. Step 6: Final answer
   x = 479,323.69