Finding the Fourth Proportional to 767,199, 1,058,734.69 and 427,667.25

Step by Step Solution

1. Step 1: Write the proportion equation
   767,199 : 1,058,734.69 = 427,667.25 : x
2. Step 2: Convert to fraction form
   767,199/1,058,734.69 = 427,667.25/x
3. Step 3: Cross multiply
   767,199x = 1,058,734.69 × 427,667.25
4. Step 4: Simplify right side
   767,199x = 452,786,152,282.73
5. Step 5: Solve for x
   x = 452,786,152,282.73/767,199
6. Step 6: Final answer
   x = 590,180.84