Finding the Fourth Proportional to 72,123.47, 108,185.61 and 19,533.41

Step by Step Solution

1. Step 1: Write the proportion equation
   72,123.47 : 108,185.61 = 19,533.41 : x
2. Step 2: Convert to fraction form
   72,123.47/108,185.61 = 19,533.41/x
3. Step 3: Cross multiply
   72,123.47x = 108,185.61 × 19,533.41
4. Step 4: Simplify right side
   72,123.47x = 2,113,233,876.23
5. Step 5: Solve for x
   x = 2,113,233,876.23/72,123.47
6. Step 6: Final answer
   x = 29,300.22