Finding the Fourth Proportional to 989,758.73, 1,484,341.94 and 516,185.75

Step by Step Solution

1. Step 1: Write the proportion equation
   989,758.73 : 1,484,341.94 = 516,185.75 : x
2. Step 2: Convert to fraction form
   989,758.73/1,484,341.94 = 516,185.75/x
3. Step 3: Cross multiply
   989,758.73x = 1,484,341.94 × 516,185.75
4. Step 4: Simplify right side
   989,758.73x = 766,196,147,552.72
5. Step 5: Solve for x
   x = 766,196,147,552.72/989,758.73
6. Step 6: Final answer
   x = 774,124.17