Finding the Fourth Proportional to 70,953.67, 106,436.49 and 18,364.15

Step by Step Solution

1. Step 1: Write the proportion equation
   70,953.67 : 106,436.49 = 18,364.15 : x
2. Step 2: Convert to fraction form
   70,953.67/106,436.49 = 18,364.15/x
3. Step 3: Cross multiply
   70,953.67x = 106,436.49 × 18,364.15
4. Step 4: Simplify right side
   70,953.67x = 1,954,615,667.83
5. Step 5: Solve for x
   x = 1,954,615,667.83/70,953.67
6. Step 6: Final answer
   x = 27,547.77