Finding the Fourth Proportional to 1,142,902.72, 1,577,193.12 and 659,462.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,902.72 : 1,577,193.12 = 659,462.08 : x
2. Step 2: Convert to fraction form
   1,142,902.72/1,577,193.12 = 659,462.08/x
3. Step 3: Cross multiply
   1,142,902.72x = 1,577,193.12 × 659,462.08
4. Step 4: Simplify right side
   1,142,902.72x = 1,040,099,055,476.89
5. Step 5: Solve for x
   x = 1,040,099,055,476.89/1,142,902.72
6. Step 6: Final answer
   x = 910,050.38