Finding the Fourth Proportional to 1,132,396, 1,562,717.42 and 623,109.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,396 : 1,562,717.42 = 623,109.31 : x
2. Step 2: Convert to fraction form
   1,132,396/1,562,717.42 = 623,109.31/x
3. Step 3: Cross multiply
   1,132,396x = 1,562,717.42 × 623,109.31
4. Step 4: Simplify right side
   1,132,396x = 973,743,773,301.18
5. Step 5: Solve for x
   x = 973,743,773,301.18/1,132,396
6. Step 6: Final answer
   x = 859,896.87