Finding the Fourth Proportional to 1,502,404.56, 2,073,516.84 and 857,679.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,502,404.56 : 2,073,516.84 = 857,679.12 : x
2. Step 2: Convert to fraction form
   1,502,404.56/2,073,516.84 = 857,679.12/x
3. Step 3: Cross multiply
   1,502,404.56x = 2,073,516.84 × 857,679.12
4. Step 4: Simplify right side
   1,502,404.56x = 1,778,412,098,636.38
5. Step 5: Solve for x
   x = 1,778,412,098,636.38/1,502,404.56
6. Step 6: Final answer
   x = 1,183,710.53