Finding the Fourth Proportional to 143,093.10, 214,570.53 and 83,947.98

Step by Step Solution

1. Step 1: Write the proportion equation
   143,093.10 : 214,570.53 = 83,947.98 : x
2. Step 2: Convert to fraction form
   143,093.10/214,570.53 = 83,947.98/x
3. Step 3: Cross multiply
   143,093.10x = 214,570.53 × 83,947.98
4. Step 4: Simplify right side
   143,093.10x = 18,012,762,561.03
5. Step 5: Solve for x
   x = 18,012,762,561.03/143,093.10
6. Step 6: Final answer
   x = 125,881.42