Finding the Fourth Proportional to 767,503.32, 1,059,022.42 and 492,102.01

Step by Step Solution

1. Step 1: Write the proportion equation
   767,503.32 : 1,059,022.42 = 492,102.01 : x
2. Step 2: Convert to fraction form
   767,503.32/1,059,022.42 = 492,102.01/x
3. Step 3: Cross multiply
   767,503.32x = 1,059,022.42 × 492,102.01
4. Step 4: Simplify right side
   767,503.32x = 521,147,061,517.06
5. Step 5: Solve for x
   x = 521,147,061,517.06/767,503.32
6. Step 6: Final answer
   x = 679,016.04