Finding the Fourth Proportional to 58,013, 79,921.32 and 54,525.42

Step by Step Solution

1. Step 1: Write the proportion equation
   58,013 : 79,921.32 = 54,525.42 : x
2. Step 2: Convert to fraction form
   58,013/79,921.32 = 54,525.42/x
3. Step 3: Cross multiply
   58,013x = 79,921.32 × 54,525.42
4. Step 4: Simplify right side
   58,013x = 4,357,743,539.95
5. Step 5: Solve for x
   x = 4,357,743,539.95/58,013
6. Step 6: Final answer
   x = 75,116.67