Finding the Fourth Proportional to 116,957.33, 161,401.00 and 63,242.21

Step by Step Solution

1. Step 1: Write the proportion equation
   116,957.33 : 161,401.00 = 63,242.21 : x
2. Step 2: Convert to fraction form
   116,957.33/161,401.00 = 63,242.21/x
3. Step 3: Cross multiply
   116,957.33x = 161,401.00 × 63,242.21
4. Step 4: Simplify right side
   116,957.33x = 10,207,356,181.61
5. Step 5: Solve for x
   x = 10,207,356,181.61/116,957.33
6. Step 6: Final answer
   x = 87,274.19