Finding the Fourth Proportional to 1,081,999.82, 1,493,175.47 and 623,196.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081,999.82 : 1,493,175.47 = 623,196.79 : x
2. Step 2: Convert to fraction form
   1,081,999.82/1,493,175.47 = 623,196.79/x
3. Step 3: Cross multiply
   1,081,999.82x = 1,493,175.47 × 623,196.79
4. Step 4: Simplify right side
   1,081,999.82x = 930,542,152,961.82
5. Step 5: Solve for x
   x = 930,542,152,961.82/1,081,999.82
6. Step 6: Final answer
   x = 860,020.62