Finding the Fourth Proportional to 72,667.39, 109,003.52 and 19,358.86

Step by Step Solution

1. Step 1: Write the proportion equation
   72,667.39 : 109,003.52 = 19,358.86 : x
2. Step 2: Convert to fraction form
   72,667.39/109,003.52 = 19,358.86/x
3. Step 3: Cross multiply
   72,667.39x = 109,003.52 × 19,358.86
4. Step 4: Simplify right side
   72,667.39x = 2,110,183,883.19
5. Step 5: Solve for x
   x = 2,110,183,883.19/72,667.39
6. Step 6: Final answer
   x = 29,038.94