Finding the Fourth Proportional to 81,393.98, 112,329.63 and 49,136.52

Step by Step Solution

1. Step 1: Write the proportion equation
   81,393.98 : 112,329.63 = 49,136.52 : x
2. Step 2: Convert to fraction form
   81,393.98/112,329.63 = 49,136.52/x
3. Step 3: Cross multiply
   81,393.98x = 112,329.63 × 49,136.52
4. Step 4: Simplify right side
   81,393.98x = 5,519,487,532.32
5. Step 5: Solve for x
   x = 5,519,487,532.32/81,393.98
6. Step 6: Final answer
   x = 67,811.99