Finding the Fourth Proportional to 1,076,612.37, 1,485,758.61 and 617,810.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,612.37 : 1,485,758.61 = 617,810.96 : x
2. Step 2: Convert to fraction form
   1,076,612.37/1,485,758.61 = 617,810.96/x
3. Step 3: Cross multiply
   1,076,612.37x = 1,485,758.61 × 617,810.96
4. Step 4: Simplify right side
   1,076,612.37x = 917,917,945,743.57
5. Step 5: Solve for x
   x = 917,917,945,743.57/1,076,612.37
6. Step 6: Final answer
   x = 852,598.36