Finding the Fourth Proportional to 911,597.94, 1,366,520.49 and 612,162

Step by Step Solution

1. Step 1: Write the proportion equation
   911,597.94 : 1,366,520.49 = 612,162 : x
2. Step 2: Convert to fraction form
   911,597.94/1,366,520.49 = 612,162/x
3. Step 3: Cross multiply
   911,597.94x = 1,366,520.49 × 612,162
4. Step 4: Simplify right side
   911,597.94x = 836,531,916,199.38
5. Step 5: Solve for x
   x = 836,531,916,199.38/911,597.94
6. Step 6: Final answer
   x = 917,654.46