Finding the Fourth Proportional to 1,061,720.34, 1,465,123.59 and 578,283.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,720.34 : 1,465,123.59 = 578,283.18 : x
2. Step 2: Convert to fraction form
   1,061,720.34/1,465,123.59 = 578,283.18/x
3. Step 3: Cross multiply
   1,061,720.34x = 1,465,123.59 × 578,283.18
4. Step 4: Simplify right side
   1,061,720.34x = 847,256,328,718.22
5. Step 5: Solve for x
   x = 847,256,328,718.22/1,061,720.34
6. Step 6: Final answer
   x = 798,003.29