Finding the Fourth Proportional to 106,941.42, 147,514.59 and 68,688.09

Step by Step Solution

1. Step 1: Write the proportion equation
   106,941.42 : 147,514.59 = 68,688.09 : x
2. Step 2: Convert to fraction form
   106,941.42/147,514.59 = 68,688.09/x
3. Step 3: Cross multiply
   106,941.42x = 147,514.59 × 68,688.09
4. Step 4: Simplify right side
   106,941.42x = 10,132,495,434.23
5. Step 5: Solve for x
   x = 10,132,495,434.23/106,941.42
6. Step 6: Final answer
   x = 94,748.09