Finding the Fourth Proportional to 1,061,833.50, 1,465,343.10 and 578,402.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,833.50 : 1,465,343.10 = 578,402.64 : x
2. Step 2: Convert to fraction form
   1,061,833.50/1,465,343.10 = 578,402.64/x
3. Step 3: Cross multiply
   1,061,833.50x = 1,465,343.10 × 578,402.64
4. Step 4: Simplify right side
   1,061,833.50x = 847,558,317,545.78
5. Step 5: Solve for x
   x = 847,558,317,545.78/1,061,833.50
6. Step 6: Final answer
   x = 798,202.65