Finding the Fourth Proportional to 75,162.63, 112,743.54 and 19,002.72

Step by Step Solution

1. Step 1: Write the proportion equation
   75,162.63 : 112,743.54 = 19,002.72 : x
2. Step 2: Convert to fraction form
   75,162.63/112,743.54 = 19,002.72/x
3. Step 3: Cross multiply
   75,162.63x = 112,743.54 × 19,002.72
4. Step 4: Simplify right side
   75,162.63x = 2,142,433,922.43
5. Step 5: Solve for x
   x = 2,142,433,922.43/75,162.63
6. Step 6: Final answer
   x = 28,503.98