Finding the Fourth Proportional to 58,538.04, 80,782.54 and 31,680.44

Step by Step Solution

1. Step 1: Write the proportion equation
   58,538.04 : 80,782.54 = 31,680.44 : x
2. Step 2: Convert to fraction form
   58,538.04/80,782.54 = 31,680.44/x
3. Step 3: Cross multiply
   58,538.04x = 80,782.54 × 31,680.44
4. Step 4: Simplify right side
   58,538.04x = 2,559,226,411.52
5. Step 5: Solve for x
   x = 2,559,226,411.52/58,538.04
6. Step 6: Final answer
   x = 43,719.03