Finding the Fourth Proportional to 1,921,101.29, 2,651,048.15 and 1,105,431.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921,101.29 : 2,651,048.15 = 1,105,431.09 : x
2. Step 2: Convert to fraction form
   1,921,101.29/2,651,048.15 = 1,105,431.09/x
3. Step 3: Cross multiply
   1,921,101.29x = 2,651,048.15 × 1,105,431.09
4. Step 4: Simplify right side
   1,921,101.29x = 2,930,551,046,096.98
5. Step 5: Solve for x
   x = 2,930,551,046,096.98/1,921,101.29
6. Step 6: Final answer
   x = 1,525,453.69