Finding the Fourth Proportional to 112,393.31, 155,119.01 and 67,073.20

Step by Step Solution

1. Step 1: Write the proportion equation
   112,393.31 : 155,119.01 = 67,073.20 : x
2. Step 2: Convert to fraction form
   112,393.31/155,119.01 = 67,073.20/x
3. Step 3: Cross multiply
   112,393.31x = 155,119.01 × 67,073.20
4. Step 4: Simplify right side
   112,393.31x = 10,404,327,658.37
5. Step 5: Solve for x
   x = 10,404,327,658.37/112,393.31
6. Step 6: Final answer
   x = 92,570.71