Finding the Fourth Proportional to 1,042,265.34, 1,563,459.98 and 402,573.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042,265.34 : 1,563,459.98 = 402,573.92 : x
2. Step 2: Convert to fraction form
   1,042,265.34/1,563,459.98 = 402,573.92/x
3. Step 3: Cross multiply
   1,042,265.34x = 1,563,459.98 × 402,573.92
4. Step 4: Simplify right side
   1,042,265.34x = 629,408,212,911.72
5. Step 5: Solve for x
   x = 629,408,212,911.72/1,042,265.34
6. Step 6: Final answer
   x = 603,884.82