Finding the Fourth Proportional to 141,871.37, 212,811.51 and 53,107.93

Step by Step Solution

1. Step 1: Write the proportion equation
   141,871.37 : 212,811.51 = 53,107.93 : x
2. Step 2: Convert to fraction form
   141,871.37/212,811.51 = 53,107.93/x
3. Step 3: Cross multiply
   141,871.37x = 212,811.51 × 53,107.93
4. Step 4: Simplify right side
   141,871.37x = 11,301,978,776.27
5. Step 5: Solve for x
   x = 11,301,978,776.27/141,871.37
6. Step 6: Final answer
   x = 79,663.56