Finding the Fourth Proportional to 58,539.45, 80,784.54 and 31,681.98

Step by Step Solution

1. Step 1: Write the proportion equation
   58,539.45 : 80,784.54 = 31,681.98 : x
2. Step 2: Convert to fraction form
   58,539.45/80,784.54 = 31,681.98/x
3. Step 3: Cross multiply
   58,539.45x = 80,784.54 × 31,681.98
4. Step 4: Simplify right side
   58,539.45x = 2,559,414,180.59
5. Step 5: Solve for x
   x = 2,559,414,180.59/58,539.45
6. Step 6: Final answer
   x = 43,721.19