Finding the Fourth Proportional to 647,034.54, 892,911.22 and 375,263.59

Step by Step Solution

1. Step 1: Write the proportion equation
   647,034.54 : 892,911.22 = 375,263.59 : x
2. Step 2: Convert to fraction form
   647,034.54/892,911.22 = 375,263.59/x
3. Step 3: Cross multiply
   647,034.54x = 892,911.22 × 375,263.59
4. Step 4: Simplify right side
   647,034.54x = 335,077,070,146.46
5. Step 5: Solve for x
   x = 335,077,070,146.46/647,034.54
6. Step 6: Final answer
   x = 517,865.82