Finding the Fourth Proportional to 70,627.50, 97,474.59 and 40,819.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,627.50 : 97,474.59 = 40,819.50 : x
2. Step 2: Convert to fraction form
   70,627.50/97,474.59 = 40,819.50/x
3. Step 3: Cross multiply
   70,627.50x = 97,474.59 × 40,819.50
4. Step 4: Simplify right side
   70,627.50x = 3,978,864,026.51
5. Step 5: Solve for x
   x = 3,978,864,026.51/70,627.50
6. Step 6: Final answer
   x = 56,335.90