Finding the Fourth Proportional to 112,061.30, 167,865.15 and 69,811.70

Step by Step Solution

1. Step 1: Write the proportion equation
   112,061.30 : 167,865.15 = 69,811.70 : x
2. Step 2: Convert to fraction form
   112,061.30/167,865.15 = 69,811.70/x
3. Step 3: Cross multiply
   112,061.30x = 167,865.15 × 69,811.70
4. Step 4: Simplify right side
   112,061.30x = 11,718,951,492.26
5. Step 5: Solve for x
   x = 11,718,951,492.26/112,061.30
6. Step 6: Final answer
   x = 104,576.26