Finding the Fourth Proportional to 58,536.52, 80,779.77 and 31,678.43

Step by Step Solution

1. Step 1: Write the proportion equation
   58,536.52 : 80,779.77 = 31,678.43 : x
2. Step 2: Convert to fraction form
   58,536.52/80,779.77 = 31,678.43/x
3. Step 3: Cross multiply
   58,536.52x = 80,779.77 × 31,678.43
4. Step 4: Simplify right side
   58,536.52x = 2,558,975,885.46
5. Step 5: Solve for x
   x = 2,558,975,885.46/58,536.52
6. Step 6: Final answer
   x = 43,715.89