Finding the Fourth Proportional to 850,983.71, 1,174,403.72 and 488,404.67

Step by Step Solution

1. Step 1: Write the proportion equation
   850,983.71 : 1,174,403.72 = 488,404.67 : x
2. Step 2: Convert to fraction form
   850,983.71/1,174,403.72 = 488,404.67/x
3. Step 3: Cross multiply
   850,983.71x = 1,174,403.72 × 488,404.67
4. Step 4: Simplify right side
   850,983.71x = 573,584,261,313.37
5. Step 5: Solve for x
   x = 573,584,261,313.37/850,983.71
6. Step 6: Final answer
   x = 674,024.96