Finding the Fourth Proportional to 140,131.98, 193,386.24 and 76,473.87

Step by Step Solution

1. Step 1: Write the proportion equation
   140,131.98 : 193,386.24 = 76,473.87 : x
2. Step 2: Convert to fraction form
   140,131.98/193,386.24 = 76,473.87/x
3. Step 3: Cross multiply
   140,131.98x = 193,386.24 × 76,473.87
4. Step 4: Simplify right side
   140,131.98x = 14,788,994,177.55
5. Step 5: Solve for x
   x = 14,788,994,177.55/140,131.98
6. Step 6: Final answer
   x = 105,536.18