Finding the Fourth Proportional to 57,973.98, 79,404.66 and 54,569.55

Step by Step Solution

1. Step 1: Write the proportion equation
   57,973.98 : 79,404.66 = 54,569.55 : x
2. Step 2: Convert to fraction form
   57,973.98/79,404.66 = 54,569.55/x
3. Step 3: Cross multiply
   57,973.98x = 79,404.66 × 54,569.55
4. Step 4: Simplify right side
   57,973.98x = 4,333,076,564.10
5. Step 5: Solve for x
   x = 4,333,076,564.10/57,973.98
6. Step 6: Final answer
   x = 74,741.75