Finding the Fourth Proportional to 848,064.03, 1,272,089.56 and 216,976.83

Step by Step Solution

1. Step 1: Write the proportion equation
   848,064.03 : 1,272,089.56 = 216,976.83 : x
2. Step 2: Convert to fraction form
   848,064.03/1,272,089.56 = 216,976.83/x
3. Step 3: Cross multiply
   848,064.03x = 1,272,089.56 × 216,976.83
4. Step 4: Simplify right side
   848,064.03x = 276,013,957,295.89
5. Step 5: Solve for x
   x = 276,013,957,295.89/848,064.03
6. Step 6: Final answer
   x = 325,463.58