Finding the Fourth Proportional to 1,152,464.01, 1,590,488.27 and 636,317.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,464.01 : 1,590,488.27 = 636,317.41 : x
2. Step 2: Convert to fraction form
   1,152,464.01/1,590,488.27 = 636,317.41/x
3. Step 3: Cross multiply
   1,152,464.01x = 1,590,488.27 × 636,317.41
4. Step 4: Simplify right side
   1,152,464.01x = 1,012,055,373,420.19
5. Step 5: Solve for x
   x = 1,012,055,373,420.19/1,152,464.01
6. Step 6: Final answer
   x = 878,166.58