Finding the Fourth Proportional to 1,061,847.86, 1,465,302.75 and 620,363.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,847.86 : 1,465,302.75 = 620,363.34 : x
2. Step 2: Convert to fraction form
   1,061,847.86/1,465,302.75 = 620,363.34/x
3. Step 3: Cross multiply
   1,061,847.86x = 1,465,302.75 × 620,363.34
4. Step 4: Simplify right side
   1,061,847.86x = 909,020,108,101.19
5. Step 5: Solve for x
   x = 909,020,108,101.19/1,061,847.86
6. Step 6: Final answer
   x = 856,073.78