Finding the Fourth Proportional to 806,667.88, 1,113,078.28 and 467,070.52

Step by Step Solution

1. Step 1: Write the proportion equation
   806,667.88 : 1,113,078.28 = 467,070.52 : x
2. Step 2: Convert to fraction form
   806,667.88/1,113,078.28 = 467,070.52/x
3. Step 3: Cross multiply
   806,667.88x = 1,113,078.28 × 467,070.52
4. Step 4: Simplify right side
   806,667.88x = 519,886,051,040.31
5. Step 5: Solve for x
   x = 519,886,051,040.31/806,667.88
6. Step 6: Final answer
   x = 644,485.87