Finding the Fourth Proportional to 78,231, 117,353.38 and 22,071.54

Step by Step Solution

1. Step 1: Write the proportion equation
   78,231 : 117,353.38 = 22,071.54 : x
2. Step 2: Convert to fraction form
   78,231/117,353.38 = 22,071.54/x
3. Step 3: Cross multiply
   78,231x = 117,353.38 × 22,071.54
4. Step 4: Simplify right side
   78,231x = 2,590,169,820.81
5. Step 5: Solve for x
   x = 2,590,169,820.81/78,231
6. Step 6: Final answer
   x = 33,109.25