Finding the Fourth Proportional to 1,107,056.72, 1,654,519.56 and 808,166.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107,056.72 : 1,654,519.56 = 808,166.72 : x
2. Step 2: Convert to fraction form
   1,107,056.72/1,654,519.56 = 808,166.72/x
3. Step 3: Cross multiply
   1,107,056.72x = 1,654,519.56 × 808,166.72
4. Step 4: Simplify right side
   1,107,056.72x = 1,337,127,645,981.04
5. Step 5: Solve for x
   x = 1,337,127,645,981.04/1,107,056.72
6. Step 6: Final answer
   x = 1,207,822.17