Finding the Fourth Proportional to 58,990.02, 80,948.33 and 53,644.02

Step by Step Solution

1. Step 1: Write the proportion equation
   58,990.02 : 80,948.33 = 53,644.02 : x
2. Step 2: Convert to fraction form
   58,990.02/80,948.33 = 53,644.02/x
3. Step 3: Cross multiply
   58,990.02x = 80,948.33 × 53,644.02
4. Step 4: Simplify right side
   58,990.02x = 4,342,393,565.27
5. Step 5: Solve for x
   x = 4,342,393,565.27/58,990.02
6. Step 6: Final answer
   x = 73,612.34