Finding the Fourth Proportional to 58,577.49, 80,837.31 and 31,720.23

Step by Step Solution

1. Step 1: Write the proportion equation
   58,577.49 : 80,837.31 = 31,720.23 : x
2. Step 2: Convert to fraction form
   58,577.49/80,837.31 = 31,720.23/x
3. Step 3: Cross multiply
   58,577.49x = 80,837.31 × 31,720.23
4. Step 4: Simplify right side
   58,577.49x = 2,564,178,065.78
5. Step 5: Solve for x
   x = 2,564,178,065.78/58,577.49
6. Step 6: Final answer
   x = 43,774.12