Finding the Fourth Proportional to 65,949.06, 91,005.40 and 42,073.17

Step by Step Solution

1. Step 1: Write the proportion equation
   65,949.06 : 91,005.40 = 42,073.17 : x
2. Step 2: Convert to fraction form
   65,949.06/91,005.40 = 42,073.17/x
3. Step 3: Cross multiply
   65,949.06x = 91,005.40 × 42,073.17
4. Step 4: Simplify right side
   65,949.06x = 3,828,885,770.01
5. Step 5: Solve for x
   x = 3,828,885,770.01/65,949.06
6. Step 6: Final answer
   x = 58,058.23