Finding the Fourth Proportional to 73,886.06, 101,966.70 and 42,065.21

Step by Step Solution

1. Step 1: Write the proportion equation
   73,886.06 : 101,966.70 = 42,065.21 : x
2. Step 2: Convert to fraction form
   73,886.06/101,966.70 = 42,065.21/x
3. Step 3: Cross multiply
   73,886.06x = 101,966.70 × 42,065.21
4. Step 4: Simplify right side
   73,886.06x = 4,289,250,648.51
5. Step 5: Solve for x
   x = 4,289,250,648.51/73,886.06
6. Step 6: Final answer
   x = 58,052.23