Finding the Fourth Proportional to 112,109.40, 154,705.14 and 69,667.02

Step by Step Solution

1. Step 1: Write the proportion equation
   112,109.40 : 154,705.14 = 69,667.02 : x
2. Step 2: Convert to fraction form
   112,109.40/154,705.14 = 69,667.02/x
3. Step 3: Cross multiply
   112,109.40x = 154,705.14 × 69,667.02
4. Step 4: Simplify right side
   112,109.40x = 10,777,846,082.48
5. Step 5: Solve for x
   x = 10,777,846,082.48/112,109.40
6. Step 6: Final answer
   x = 96,136.86