Finding the Fourth Proportional to 140,501.58, 193,895 and 76,843.47

Step by Step Solution

1. Step 1: Write the proportion equation
   140,501.58 : 193,895 = 76,843.47 : x
2. Step 2: Convert to fraction form
   140,501.58/193,895 = 76,843.47/x
3. Step 3: Cross multiply
   140,501.58x = 193,895 × 76,843.47
4. Step 4: Simplify right side
   140,501.58x = 14,899,564,615.65
5. Step 5: Solve for x
   x = 14,899,564,615.65/140,501.58
6. Step 6: Final answer
   x = 106,045.53