Finding the Fourth Proportional to 1,101,097.56, 1,518,638.04 and 909,778.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101,097.56 : 1,518,638.04 = 909,778.80 : x
2. Step 2: Convert to fraction form
   1,101,097.56/1,518,638.04 = 909,778.80/x
3. Step 3: Cross multiply
   1,101,097.56x = 1,518,638.04 × 909,778.80
4. Step 4: Simplify right side
   1,101,097.56x = 1,381,624,693,665.55
5. Step 5: Solve for x
   x = 1,381,624,693,665.55/1,101,097.56
6. Step 6: Final answer
   x = 1,254,770.46