Finding the Fourth Proportional to 647,026.52, 892,900.14 and 375,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   647,026.52 : 892,900.14 = 375,255.50 : x
2. Step 2: Convert to fraction form
   647,026.52/892,900.14 = 375,255.50/x
3. Step 3: Cross multiply
   647,026.52x = 892,900.14 × 375,255.50
4. Step 4: Simplify right side
   647,026.52x = 335,065,688,485.77
5. Step 5: Solve for x
   x = 335,065,688,485.77/647,026.52
6. Step 6: Final answer
   x = 517,854.64