Finding the Fourth Proportional to 989,530.56, 1,483,114.86 and 540,364.50

Step by Step Solution

1. Step 1: Write the proportion equation
   989,530.56 : 1,483,114.86 = 540,364.50 : x
2. Step 2: Convert to fraction form
   989,530.56/1,483,114.86 = 540,364.50/x
3. Step 3: Cross multiply
   989,530.56x = 1,483,114.86 × 540,364.50
4. Step 4: Simplify right side
   989,530.56x = 801,422,619,766.47
5. Step 5: Solve for x
   x = 801,422,619,766.47/989,530.56
6. Step 6: Final answer
   x = 809,901.84