Finding the Fourth Proportional to 1,499,147.15, 2,068,816.91 and 810,819.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,147.15 : 2,068,816.91 = 810,819.77 : x
2. Step 2: Convert to fraction form
   1,499,147.15/2,068,816.91 = 810,819.77/x
3. Step 3: Cross multiply
   1,499,147.15x = 2,068,816.91 × 810,819.77
4. Step 4: Simplify right side
   1,499,147.15x = 1,677,437,654,078.34
5. Step 5: Solve for x
   x = 1,677,437,654,078.34/1,499,147.15
6. Step 6: Final answer
   x = 1,118,927.95