Finding the Fourth Proportional to 1,401,057.86, 2,101,577.06 and 548,215.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,057.86 : 2,101,577.06 = 548,215.34 : x
2. Step 2: Convert to fraction form
   1,401,057.86/2,101,577.06 = 548,215.34/x
3. Step 3: Cross multiply
   1,401,057.86x = 2,101,577.06 × 548,215.34
4. Step 4: Simplify right side
   1,401,057.86x = 1,152,116,782,484.10
5. Step 5: Solve for x
   x = 1,152,116,782,484.10/1,401,057.86
6. Step 6: Final answer
   x = 822,319.20