Finding the Fourth Proportional to 860,105.48, 1,186,976.02 and 472,950.38

Step by Step Solution

1. Step 1: Write the proportion equation
   860,105.48 : 1,186,976.02 = 472,950.38 : x
2. Step 2: Convert to fraction form
   860,105.48/1,186,976.02 = 472,950.38/x
3. Step 3: Cross multiply
   860,105.48x = 1,186,976.02 × 472,950.38
4. Step 4: Simplify right side
   860,105.48x = 561,380,759,709.89
5. Step 5: Solve for x
   x = 561,380,759,709.89/860,105.48
6. Step 6: Final answer
   x = 652,688.27