Finding the Fourth Proportional to 78,998.72, 109,013.82 and 43,181.60

Step by Step Solution

1. Step 1: Write the proportion equation
   78,998.72 : 109,013.82 = 43,181.60 : x
2. Step 2: Convert to fraction form
   78,998.72/109,013.82 = 43,181.60/x
3. Step 3: Cross multiply
   78,998.72x = 109,013.82 × 43,181.60
4. Step 4: Simplify right side
   78,998.72x = 4,707,391,169.71
5. Step 5: Solve for x
   x = 4,707,391,169.71/78,998.72
6. Step 6: Final answer
   x = 59,588.20