Finding the Fourth Proportional to 70,667.01, 105,999 and 20,745.99

Step by Step Solution

1. Step 1: Write the proportion equation
   70,667.01 : 105,999 = 20,745.99 : x
2. Step 2: Convert to fraction form
   70,667.01/105,999 = 20,745.99/x
3. Step 3: Cross multiply
   70,667.01x = 105,999 × 20,745.99
4. Step 4: Simplify right side
   70,667.01x = 2,199,054,194.01
5. Step 5: Solve for x
   x = 2,199,054,194.01/70,667.01
6. Step 6: Final answer
   x = 31,118.54