Finding the Fourth Proportional to 40,978.08, 61,518.96 and 34,860.96

Step by Step Solution

1. Step 1: Write the proportion equation
   40,978.08 : 61,518.96 = 34,860.96 : x
2. Step 2: Convert to fraction form
   40,978.08/61,518.96 = 34,860.96/x
3. Step 3: Cross multiply
   40,978.08x = 61,518.96 × 34,860.96
4. Step 4: Simplify right side
   40,978.08x = 2,144,610,003.80
5. Step 5: Solve for x
   x = 2,144,610,003.80/40,978.08
6. Step 6: Final answer
   x = 52,335.54