Finding the Fourth Proportional to 116,885.30, 161,301.78 and 69,141.87

Step by Step Solution

1. Step 1: Write the proportion equation
   116,885.30 : 161,301.78 = 69,141.87 : x
2. Step 2: Convert to fraction form
   116,885.30/161,301.78 = 69,141.87/x
3. Step 3: Cross multiply
   116,885.30x = 161,301.78 × 69,141.87
4. Step 4: Simplify right side
   116,885.30x = 11,152,706,703.53
5. Step 5: Solve for x
   x = 11,152,706,703.53/116,885.30
6. Step 6: Final answer
   x = 95,415.82