Finding the Fourth Proportional to 1,430,146.76, 1,973,113.67 and 818,076.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430,146.76 : 1,973,113.67 = 818,076.54 : x
2. Step 2: Convert to fraction form
   1,430,146.76/1,973,113.67 = 818,076.54/x
3. Step 3: Cross multiply
   1,430,146.76x = 1,973,113.67 × 818,076.54
4. Step 4: Simplify right side
   1,430,146.76x = 1,614,158,004,180.30
5. Step 5: Solve for x
   x = 1,614,158,004,180.30/1,430,146.76
6. Step 6: Final answer
   x = 1,128,665.99