Finding the Fourth Proportional to 1,151,990.07, 1,589,735.04 and 635,748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151,990.07 : 1,589,735.04 = 635,748.72 : x
2. Step 2: Convert to fraction form
   1,151,990.07/1,589,735.04 = 635,748.72/x
3. Step 3: Cross multiply
   1,151,990.07x = 1,589,735.04 × 635,748.72
4. Step 4: Simplify right side
   1,151,990.07x = 1,010,672,016,819.15
5. Step 5: Solve for x
   x = 1,010,672,016,819.15/1,151,990.07
6. Step 6: Final answer
   x = 877,327.02