Finding the Fourth Proportional to 907,386.31, 1,251,493.69 and 563,425.89

Step by Step Solution

1. Step 1: Write the proportion equation
   907,386.31 : 1,251,493.69 = 563,425.89 : x
2. Step 2: Convert to fraction form
   907,386.31/1,251,493.69 = 563,425.89/x
3. Step 3: Cross multiply
   907,386.31x = 1,251,493.69 × 563,425.89
4. Step 4: Simplify right side
   907,386.31x = 705,123,946,117.63
5. Step 5: Solve for x
   x = 705,123,946,117.63/907,386.31
6. Step 6: Final answer
   x = 777,093.44