Finding the Fourth Proportional to 1,456,106.67, 2,185,144.16 and 509,485.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,106.67 : 2,185,144.16 = 509,485.59 : x
2. Step 2: Convert to fraction form
   1,456,106.67/2,185,144.16 = 509,485.59/x
3. Step 3: Cross multiply
   1,456,106.67x = 2,185,144.16 × 509,485.59
4. Step 4: Simplify right side
   1,456,106.67x = 1,113,299,459,045.23
5. Step 5: Solve for x
   x = 1,113,299,459,045.23/1,456,106.67
6. Step 6: Final answer
   x = 764,572.73