Finding the Fourth Proportional to 1,076,484.88, 1,485,757.74 and 617,870.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,484.88 : 1,485,757.74 = 617,870.98 : x
2. Step 2: Convert to fraction form
   1,076,484.88/1,485,757.74 = 617,870.98/x
3. Step 3: Cross multiply
   1,076,484.88x = 1,485,757.74 × 617,870.98
4. Step 4: Simplify right side
   1,076,484.88x = 918,006,590,856.39
5. Step 5: Solve for x
   x = 918,006,590,856.39/1,076,484.88
6. Step 6: Final answer
   x = 852,781.69