Finding the Fourth Proportional to 1,237,364.59, 1,707,802.61 and 806,897.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,237,364.59 : 1,707,802.61 = 806,897.38 : x
2. Step 2: Convert to fraction form
   1,237,364.59/1,707,802.61 = 806,897.38/x
3. Step 3: Cross multiply
   1,237,364.59x = 1,707,802.61 × 806,897.38
4. Step 4: Simplify right side
   1,237,364.59x = 1,378,021,443,262.17
5. Step 5: Solve for x
   x = 1,378,021,443,262.17/1,237,364.59
6. Step 6: Final answer
   x = 1,113,674.54