Finding the Fourth Proportional to 89,452.98, 123,394.05 and 55,445.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,452.98 : 123,394.05 = 55,445.94 : x
2. Step 2: Convert to fraction form
   89,452.98/123,394.05 = 55,445.94/x
3. Step 3: Cross multiply
   89,452.98x = 123,394.05 × 55,445.94
4. Step 4: Simplify right side
   89,452.98x = 6,841,699,092.66
5. Step 5: Solve for x
   x = 6,841,699,092.66/89,452.98
6. Step 6: Final answer
   x = 76,483.75