Finding the Fourth Proportional to 858,196.55, 1,184,366.61 and 476,223.33

Step by Step Solution

1. Step 1: Write the proportion equation
   858,196.55 : 1,184,366.61 = 476,223.33 : x
2. Step 2: Convert to fraction form
   858,196.55/1,184,366.61 = 476,223.33/x
3. Step 3: Cross multiply
   858,196.55x = 1,184,366.61 × 476,223.33
4. Step 4: Simplify right side
   858,196.55x = 564,023,010,955.01
5. Step 5: Solve for x
   x = 564,023,010,955.01/858,196.55
6. Step 6: Final answer
   x = 657,218.93