Finding the Fourth Proportional to 71,088.84, 98,104.50 and 40,879.89

Step by Step Solution

1. Step 1: Write the proportion equation
   71,088.84 : 98,104.50 = 40,879.89 : x
2. Step 2: Convert to fraction form
   71,088.84/98,104.50 = 40,879.89/x
3. Step 3: Cross multiply
   71,088.84x = 98,104.50 × 40,879.89
4. Step 4: Simplify right side
   71,088.84x = 4,010,501,168.51
5. Step 5: Solve for x
   x = 4,010,501,168.51/71,088.84
6. Step 6: Final answer
   x = 56,415.34