Finding the Fourth Proportional to 140,801.55, 194,492.48 and 104,929.29

Step by Step Solution

1. Step 1: Write the proportion equation
   140,801.55 : 194,492.48 = 104,929.29 : x
2. Step 2: Convert to fraction form
   140,801.55/194,492.48 = 104,929.29/x
3. Step 3: Cross multiply
   140,801.55x = 194,492.48 × 104,929.29
4. Step 4: Simplify right side
   140,801.55x = 20,407,956,339.63
5. Step 5: Solve for x
   x = 20,407,956,339.63/140,801.55
6. Step 6: Final answer
   x = 144,941.28