Finding the Fourth Proportional to 59,130, 81,613.26 and 38,990.52

Step by Step Solution

1. Step 1: Write the proportion equation
   59,130 : 81,613.26 = 38,990.52 : x
2. Step 2: Convert to fraction form
   59,130/81,613.26 = 38,990.52/x
3. Step 3: Cross multiply
   59,130x = 81,613.26 × 38,990.52
4. Step 4: Simplify right side
   59,130x = 3,182,143,446.30
5. Step 5: Solve for x
   x = 3,182,143,446.30/59,130
6. Step 6: Final answer
   x = 53,816.06