Finding the Fourth Proportional to 1,372,061.20, 1,892,841.33 and 827,893.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,061.20 : 1,892,841.33 = 827,893.48 : x
2. Step 2: Convert to fraction form
   1,372,061.20/1,892,841.33 = 827,893.48/x
3. Step 3: Cross multiply
   1,372,061.20x = 1,892,841.33 × 827,893.48
4. Step 4: Simplify right side
   1,372,061.20x = 1,567,070,995,781.53
5. Step 5: Solve for x
   x = 1,567,070,995,781.53/1,372,061.20
6. Step 6: Final answer
   x = 1,142,129.08