Finding the Fourth Proportional to 72,054.63, 108,083.52 and 18,748.71

Step by Step Solution

1. Step 1: Write the proportion equation
   72,054.63 : 108,083.52 = 18,748.71 : x
2. Step 2: Convert to fraction form
   72,054.63/108,083.52 = 18,748.71/x
3. Step 3: Cross multiply
   72,054.63x = 108,083.52 × 18,748.71
4. Step 4: Simplify right side
   72,054.63x = 2,026,426,572.26
5. Step 5: Solve for x
   x = 2,026,426,572.26/72,054.63
6. Step 6: Final answer
   x = 28,123.47