Finding the Fourth Proportional to 1,141,990.62, 1,575,998.70 and 632,693

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141,990.62 : 1,575,998.70 = 632,693 : x
2. Step 2: Convert to fraction form
   1,141,990.62/1,575,998.70 = 632,693/x
3. Step 3: Cross multiply
   1,141,990.62x = 1,575,998.70 × 632,693
4. Step 4: Simplify right side
   1,141,990.62x = 997,123,345,499.10
5. Step 5: Solve for x
   x = 997,123,345,499.10/1,141,990.62
6. Step 6: Final answer
   x = 873,144.95