Finding the Fourth Proportional to 140,567.81, 194,014.71 and 97,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,567.81 : 194,014.71 = 97,021.50 : x
2. Step 2: Convert to fraction form
   140,567.81/194,014.71 = 97,021.50/x
3. Step 3: Cross multiply
   140,567.81x = 194,014.71 × 97,021.50
4. Step 4: Simplify right side
   140,567.81x = 18,823,597,458.71
5. Step 5: Solve for x
   x = 18,823,597,458.71/140,567.81
6. Step 6: Final answer
   x = 133,911.16