Finding the Fourth Proportional to 1,345,737.31, 1,857,065.34 and 765,036.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,737.31 : 1,857,065.34 = 765,036.52 : x
2. Step 2: Convert to fraction form
   1,345,737.31/1,857,065.34 = 765,036.52/x
3. Step 3: Cross multiply
   1,345,737.31x = 1,857,065.34 × 765,036.52
4. Step 4: Simplify right side
   1,345,737.31x = 1,420,722,805,126.22
5. Step 5: Solve for x
   x = 1,420,722,805,126.22/1,345,737.31
6. Step 6: Final answer
   x = 1,055,720.75