Finding the Fourth Proportional to 143,111.58, 214,689.29 and 47,018.60

Step by Step Solution

1. Step 1: Write the proportion equation
   143,111.58 : 214,689.29 = 47,018.60 : x
2. Step 2: Convert to fraction form
   143,111.58/214,689.29 = 47,018.60/x
3. Step 3: Cross multiply
   143,111.58x = 214,689.29 × 47,018.60
4. Step 4: Simplify right side
   143,111.58x = 10,094,389,951.15
5. Step 5: Solve for x
   x = 10,094,389,951.15/143,111.58
6. Step 6: Final answer
   x = 70,535.10