Finding the Fourth Proportional to 143,564.01, 215,300.07 and 47,483.37

Step by Step Solution

1. Step 1: Write the proportion equation
   143,564.01 : 215,300.07 = 47,483.37 : x
2. Step 2: Convert to fraction form
   143,564.01/215,300.07 = 47,483.37/x
3. Step 3: Cross multiply
   143,564.01x = 215,300.07 × 47,483.37
4. Step 4: Simplify right side
   143,564.01x = 10,223,172,884.84
5. Step 5: Solve for x
   x = 10,223,172,884.84/143,564.01
6. Step 6: Final answer
   x = 71,209.86