Finding the Fourth Proportional to 72,136.09, 108,696.52 and 59,276.53

Step by Step Solution

1. Step 1: Write the proportion equation
   72,136.09 : 108,696.52 = 59,276.53 : x
2. Step 2: Convert to fraction form
   72,136.09/108,696.52 = 59,276.53/x
3. Step 3: Cross multiply
   72,136.09x = 108,696.52 × 59,276.53
4. Step 4: Simplify right side
   72,136.09x = 6,443,152,942.45
5. Step 5: Solve for x
   x = 6,443,152,942.45/72,136.09
6. Step 6: Final answer
   x = 89,319.41