Finding the Fourth Proportional to 1,606,377.63, 2,216,788.17 and 871,330.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606,377.63 : 2,216,788.17 = 871,330.05 : x
2. Step 2: Convert to fraction form
   1,606,377.63/2,216,788.17 = 871,330.05/x
3. Step 3: Cross multiply
   1,606,377.63x = 2,216,788.17 × 871,330.05
4. Step 4: Simplify right side
   1,606,377.63x = 1,931,554,147,005.51
5. Step 5: Solve for x
   x = 1,931,554,147,005.51/1,606,377.63
6. Step 6: Final answer
   x = 1,202,428.44