Finding the Fourth Proportional to 1,072,490.94, 1,480,055.28 and 589,100.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,490.94 : 1,480,055.28 = 589,100.76 : x
2. Step 2: Convert to fraction form
   1,072,490.94/1,480,055.28 = 589,100.76/x
3. Step 3: Cross multiply
   1,072,490.94x = 1,480,055.28 × 589,100.76
4. Step 4: Simplify right side
   1,072,490.94x = 871,901,690,290.01
5. Step 5: Solve for x
   x = 871,901,690,290.01/1,072,490.94
6. Step 6: Final answer
   x = 812,968.82