Finding the Fourth Proportional to 58,538.42, 80,783.02 and 31,681.12

Step by Step Solution

1. Step 1: Write the proportion equation
   58,538.42 : 80,783.02 = 31,681.12 : x
2. Step 2: Convert to fraction form
   58,538.42/80,783.02 = 31,681.12/x
3. Step 3: Cross multiply
   58,538.42x = 80,783.02 × 31,681.12
4. Step 4: Simplify right side
   58,538.42x = 2,559,296,550.58
5. Step 5: Solve for x
   x = 2,559,296,550.58/58,538.42
6. Step 6: Final answer
   x = 43,719.95