Finding the Fourth Proportional to 140,429.96, 193,796.40 and 76,767.72

Step by Step Solution

1. Step 1: Write the proportion equation
   140,429.96 : 193,796.40 = 76,767.72 : x
2. Step 2: Convert to fraction form
   140,429.96/193,796.40 = 76,767.72/x
3. Step 3: Cross multiply
   140,429.96x = 193,796.40 × 76,767.72
4. Step 4: Simplify right side
   140,429.96x = 14,877,307,772.21
5. Step 5: Solve for x
   x = 14,877,307,772.21/140,429.96
6. Step 6: Final answer
   x = 105,941.12