Finding the Fourth Proportional to 1,076,326.18, 1,485,337.71 and 617,460.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,326.18 : 1,485,337.71 = 617,460.78 : x
2. Step 2: Convert to fraction form
   1,076,326.18/1,485,337.71 = 617,460.78/x
3. Step 3: Cross multiply
   1,076,326.18x = 1,485,337.71 × 617,460.78
4. Step 4: Simplify right side
   1,076,326.18x = 917,137,780,980.01
5. Step 5: Solve for x
   x = 917,137,780,980.01/1,076,326.18
6. Step 6: Final answer
   x = 852,100.23