Finding the Fourth Proportional to 1,131,834.72, 1,561,932.72 and 622,575.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,834.72 : 1,561,932.72 = 622,575.84 : x
2. Step 2: Convert to fraction form
   1,131,834.72/1,561,932.72 = 622,575.84/x
3. Step 3: Cross multiply
   1,131,834.72x = 1,561,932.72 × 622,575.84
4. Step 4: Simplify right side
   1,131,834.72x = 972,421,575,177.49
5. Step 5: Solve for x
   x = 972,421,575,177.49/1,131,834.72
6. Step 6: Final answer
   x = 859,155.10