Finding the Fourth Proportional to 47,290.56, 70,945.56 and 19,588.56

Step by Step Solution

1. Step 1: Write the proportion equation
   47,290.56 : 70,945.56 = 19,588.56 : x
2. Step 2: Convert to fraction form
   47,290.56/70,945.56 = 19,588.56/x
3. Step 3: Cross multiply
   47,290.56x = 70,945.56 × 19,588.56
4. Step 4: Simplify right side
   47,290.56x = 1,389,721,358.79
5. Step 5: Solve for x
   x = 1,389,721,358.79/47,290.56
6. Step 6: Final answer
   x = 29,386.87