Finding the Fourth Proportional to 53,554.21, 79,852.52 and 52,082.89

Step by Step Solution

1. Step 1: Write the proportion equation
   53,554.21 : 79,852.52 = 52,082.89 : x
2. Step 2: Convert to fraction form
   53,554.21/79,852.52 = 52,082.89/x
3. Step 3: Cross multiply
   53,554.21x = 79,852.52 × 52,082.89
4. Step 4: Simplify right side
   53,554.21x = 4,158,950,015.38
5. Step 5: Solve for x
   x = 4,158,950,015.38/53,554.21
6. Step 6: Final answer
   x = 77,658.69