Finding the Fourth Proportional to 647,029.02, 892,903.59 and 375,258

Step by Step Solution

1. Step 1: Write the proportion equation
   647,029.02 : 892,903.59 = 375,258 : x
2. Step 2: Convert to fraction form
   647,029.02/892,903.59 = 375,258/x
3. Step 3: Cross multiply
   647,029.02x = 892,903.59 × 375,258
4. Step 4: Simplify right side
   647,029.02x = 335,069,215,376.22
5. Step 5: Solve for x
   x = 335,069,215,376.22/647,029.02
6. Step 6: Final answer
   x = 517,858.09