Finding the Fourth Proportional to 1,076,784.98, 1,485,963.40 and 624,338.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,784.98 : 1,485,963.40 = 624,338.42 : x
2. Step 2: Convert to fraction form
   1,076,784.98/1,485,963.40 = 624,338.42/x
3. Step 3: Cross multiply
   1,076,784.98x = 1,485,963.40 × 624,338.42
4. Step 4: Simplify right side
   1,076,784.98x = 927,744,041,333.83
5. Step 5: Solve for x
   x = 927,744,041,333.83/1,076,784.98
6. Step 6: Final answer
   x = 861,587.09