Finding the Fourth Proportional to 72,038.68, 108,051.54 and 25,288.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,038.68 : 108,051.54 = 25,288.72 : x
2. Step 2: Convert to fraction form
   72,038.68/108,051.54 = 25,288.72/x
3. Step 3: Cross multiply
   72,038.68x = 108,051.54 × 25,288.72
4. Step 4: Simplify right side
   72,038.68x = 2,732,485,140.63
5. Step 5: Solve for x
   x = 2,732,485,140.63/72,038.68
6. Step 6: Final answer
   x = 37,930.81