Finding the Fourth Proportional to 143,117.42, 214,661.55 and 37,947.02

Step by Step Solution

1. Step 1: Write the proportion equation
   143,117.42 : 214,661.55 = 37,947.02 : x
2. Step 2: Convert to fraction form
   143,117.42/214,661.55 = 37,947.02/x
3. Step 3: Cross multiply
   143,117.42x = 214,661.55 × 37,947.02
4. Step 4: Simplify right side
   143,117.42x = 8,145,766,131.08
5. Step 5: Solve for x
   x = 8,145,766,131.08/143,117.42
6. Step 6: Final answer
   x = 56,916.66