Finding the Fourth Proportional to 1,051,955.83, 1,451,357.22 and 643,632

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051,955.83 : 1,451,357.22 = 643,632 : x
2. Step 2: Convert to fraction form
   1,051,955.83/1,451,357.22 = 643,632/x
3. Step 3: Cross multiply
   1,051,955.83x = 1,451,357.22 × 643,632
4. Step 4: Simplify right side
   1,051,955.83x = 934,139,950,223.04
5. Step 5: Solve for x
   x = 934,139,950,223.04/1,051,955.83
6. Step 6: Final answer
   x = 888,003.02