Finding the Fourth Proportional to 1,076,656.78, 1,485,820.01 and 617,855.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,656.78 : 1,485,820.01 = 617,855.27 : x
2. Step 2: Convert to fraction form
   1,076,656.78/1,485,820.01 = 617,855.27/x
3. Step 3: Cross multiply
   1,076,656.78x = 1,485,820.01 × 617,855.27
4. Step 4: Simplify right side
   1,076,656.78x = 918,021,727,671.42
5. Step 5: Solve for x
   x = 918,021,727,671.42/1,076,656.78
6. Step 6: Final answer
   x = 852,659.59