Finding the Fourth Proportional to 70,623.39, 97,468.89 and 40,815.39

Step by Step Solution

1. Step 1: Write the proportion equation
   70,623.39 : 97,468.89 = 40,815.39 : x
2. Step 2: Convert to fraction form
   70,623.39/97,468.89 = 40,815.39/x
3. Step 3: Cross multiply
   70,623.39x = 97,468.89 × 40,815.39
4. Step 4: Simplify right side
   70,623.39x = 3,978,230,758.22
5. Step 5: Solve for x
   x = 3,978,230,758.22/70,623.39
6. Step 6: Final answer
   x = 56,330.22