Finding the Fourth Proportional to 1,062,434.42, 1,466,116.71 and 578,989.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062,434.42 : 1,466,116.71 = 578,989.19 : x
2. Step 2: Convert to fraction form
   1,062,434.42/1,466,116.71 = 578,989.19/x
3. Step 3: Cross multiply
   1,062,434.42x = 1,466,116.71 × 578,989.19
4. Step 4: Simplify right side
   1,062,434.42x = 848,865,726,368.37
5. Step 5: Solve for x
   x = 848,865,726,368.37/1,062,434.42
6. Step 6: Final answer
   x = 798,981.76