Finding the Fourth Proportional to 1,656,667.35, 2,484,724.20 and 458,710.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,656,667.35 : 2,484,724.20 = 458,710.76 : x
2. Step 2: Convert to fraction form
   1,656,667.35/2,484,724.20 = 458,710.76/x
3. Step 3: Cross multiply
   1,656,667.35x = 2,484,724.20 × 458,710.76
4. Step 4: Simplify right side
   1,656,667.35x = 1,139,769,726,172.39
5. Step 5: Solve for x
   x = 1,139,769,726,172.39/1,656,667.35
6. Step 6: Final answer
   x = 687,989.49