Finding the Fourth Proportional to 1,120,401.94, 1,546,285.38 and 637,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,120,401.94 : 1,546,285.38 = 637,039.50 : x
2. Step 2: Convert to fraction form
   1,120,401.94/1,546,285.38 = 637,039.50/x
3. Step 3: Cross multiply
   1,120,401.94x = 1,546,285.38 × 637,039.50
4. Step 4: Simplify right side
   1,120,401.94x = 985,044,865,332.51
5. Step 5: Solve for x
   x = 985,044,865,332.51/1,120,401.94
6. Step 6: Final answer
   x = 879,188.83