Finding the Fourth Proportional to 1,456,105.17, 2,185,141.91 and 509,484.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,105.17 : 2,185,141.91 = 509,484.09 : x
2. Step 2: Convert to fraction form
   1,456,105.17/2,185,141.91 = 509,484.09/x
3. Step 3: Cross multiply
   1,456,105.17x = 2,185,141.91 × 509,484.09
4. Step 4: Simplify right side
   1,456,105.17x = 1,113,295,034,989.79
5. Step 5: Solve for x
   x = 1,113,295,034,989.79/1,456,105.17
6. Step 6: Final answer
   x = 764,570.48