Finding the Fourth Proportional to 1,284,484.55, 1,770,908.31 and 1,105,123.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,484.55 : 1,770,908.31 = 1,105,123.19 : x
2. Step 2: Convert to fraction form
   1,284,484.55/1,770,908.31 = 1,105,123.19/x
3. Step 3: Cross multiply
   1,284,484.55x = 1,770,908.31 × 1,105,123.19
4. Step 4: Simplify right side
   1,284,484.55x = 1,957,071,831,890.17
5. Step 5: Solve for x
   x = 1,957,071,831,890.17/1,284,484.55
6. Step 6: Final answer
   x = 1,523,624.27