Finding the Fourth Proportional to 65,961.23, 91,022.00 and 42,085.26

Step by Step Solution

1. Step 1: Write the proportion equation
   65,961.23 : 91,022.00 = 42,085.26 : x
2. Step 2: Convert to fraction form
   65,961.23/91,022.00 = 42,085.26/x
3. Step 3: Cross multiply
   65,961.23x = 91,022.00 × 42,085.26
4. Step 4: Simplify right side
   65,961.23x = 3,830,684,325.29
5. Step 5: Solve for x
   x = 3,830,684,325.29/65,961.23
6. Step 6: Final answer
   x = 58,074.79