Finding the Fourth Proportional to 47,128.82, 70,678.22 and 15,532.98

Step by Step Solution

1. Step 1: Write the proportion equation
   47,128.82 : 70,678.22 = 15,532.98 : x
2. Step 2: Convert to fraction form
   47,128.82/70,678.22 = 15,532.98/x
3. Step 3: Cross multiply
   47,128.82x = 70,678.22 × 15,532.98
4. Step 4: Simplify right side
   47,128.82x = 1,097,843,300.03
5. Step 5: Solve for x
   x = 1,097,843,300.03/47,128.82
6. Step 6: Final answer
   x = 23,294.52