Finding the Fourth Proportional to 106,976.96, 147,538.52 and 68,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   106,976.96 : 147,538.52 = 68,742.72 : x
2. Step 2: Convert to fraction form
   106,976.96/147,538.52 = 68,742.72/x
3. Step 3: Cross multiply
   106,976.96x = 147,538.52 × 68,742.72
4. Step 4: Simplify right side
   106,976.96x = 10,142,199,169.57
5. Step 5: Solve for x
   x = 10,142,199,169.57/106,976.96
6. Step 6: Final answer
   x = 94,807.32