Finding the Fourth Proportional to 116,980.56, 161,423.28 and 69,225.48

Step by Step Solution

1. Step 1: Write the proportion equation
   116,980.56 : 161,423.28 = 69,225.48 : x
2. Step 2: Convert to fraction form
   116,980.56/161,423.28 = 69,225.48/x
3. Step 3: Cross multiply
   116,980.56x = 161,423.28 × 69,225.48
4. Step 4: Simplify right side
   116,980.56x = 11,174,604,041.17
5. Step 5: Solve for x
   x = 11,174,604,041.17/116,980.56
6. Step 6: Final answer
   x = 95,525.31