Finding the Fourth Proportional to 116,726.84, 161,080.83 and 71,401.49

Step by Step Solution

1. Step 1: Write the proportion equation
   116,726.84 : 161,080.83 = 71,401.49 : x
2. Step 2: Convert to fraction form
   116,726.84/161,080.83 = 71,401.49/x
3. Step 3: Cross multiply
   116,726.84x = 161,080.83 × 71,401.49
4. Step 4: Simplify right side
   116,726.84x = 11,501,410,467.03
5. Step 5: Solve for x
   x = 11,501,410,467.03/116,726.84
6. Step 6: Final answer
   x = 98,532.70