Finding the Fourth Proportional to 988,301.06, 1,364,001.72 and 625,758.56

Step by Step Solution

1. Step 1: Write the proportion equation
   988,301.06 : 1,364,001.72 = 625,758.56 : x
2. Step 2: Convert to fraction form
   988,301.06/1,364,001.72 = 625,758.56/x
3. Step 3: Cross multiply
   988,301.06x = 1,364,001.72 × 625,758.56
4. Step 4: Simplify right side
   988,301.06x = 853,535,752,144.72
5. Step 5: Solve for x
   x = 853,535,752,144.72/988,301.06
6. Step 6: Final answer
   x = 863,639.42