Finding the Fourth Proportional to 947,799.96, 1,307,963.82 and 518,081.80

Step by Step Solution

1. Step 1: Write the proportion equation
   947,799.96 : 1,307,963.82 = 518,081.80 : x
2. Step 2: Convert to fraction form
   947,799.96/1,307,963.82 = 518,081.80/x
3. Step 3: Cross multiply
   947,799.96x = 1,307,963.82 × 518,081.80
4. Step 4: Simplify right side
   947,799.96x = 677,632,250,200.48
5. Step 5: Solve for x
   x = 677,632,250,200.48/947,799.96
6. Step 6: Final answer
   x = 714,952.82