Finding the Fourth Proportional to 88,814.50, 133,242.69 and 28,842.78

Step by Step Solution

1. Step 1: Write the proportion equation
   88,814.50 : 133,242.69 = 28,842.78 : x
2. Step 2: Convert to fraction form
   88,814.50/133,242.69 = 28,842.78/x
3. Step 3: Cross multiply
   88,814.50x = 133,242.69 × 28,842.78
4. Step 4: Simplify right side
   88,814.50x = 3,843,089,594.28
5. Step 5: Solve for x
   x = 3,843,089,594.28/88,814.50
6. Step 6: Final answer
   x = 43,270.97