Finding the Fourth Proportional to 93,665.35, 140,499.35 and 30,485.81

Step by Step Solution

1. Step 1: Write the proportion equation
   93,665.35 : 140,499.35 = 30,485.81 : x
2. Step 2: Convert to fraction form
   93,665.35/140,499.35 = 30,485.81/x
3. Step 3: Cross multiply
   93,665.35x = 140,499.35 × 30,485.81
4. Step 4: Simplify right side
   93,665.35x = 4,283,236,489.22
5. Step 5: Solve for x
   x = 4,283,236,489.22/93,665.35
6. Step 6: Final answer
   x = 45,729.15