Finding the Fourth Proportional to 585,185.89, 877,809.20 and 185,857.92

Step by Step Solution

1. Step 1: Write the proportion equation
   585,185.89 : 877,809.20 = 185,857.92 : x
2. Step 2: Convert to fraction form
   585,185.89/877,809.20 = 185,857.92/x
3. Step 3: Cross multiply
   585,185.89x = 877,809.20 × 185,857.92
4. Step 4: Simplify right side
   585,185.89x = 163,147,792,068.86
5. Step 5: Solve for x
   x = 163,147,792,068.86/585,185.89
6. Step 6: Final answer
   x = 278,796.52