Finding the Fourth Proportional to 876,798.25, 1,209,981.59 and 474,390.25

Step by Step Solution

1. Step 1: Write the proportion equation
   876,798.25 : 1,209,981.59 = 474,390.25 : x
2. Step 2: Convert to fraction form
   876,798.25/1,209,981.59 = 474,390.25/x
3. Step 3: Cross multiply
   876,798.25x = 1,209,981.59 × 474,390.25
4. Step 4: Simplify right side
   876,798.25x = 574,003,468,975.50
5. Step 5: Solve for x
   x = 574,003,468,975.50/876,798.25
6. Step 6: Final answer
   x = 654,658.55