Finding the Fourth Proportional to 140,123.01, 193,374.42 and 76,464.30

Step by Step Solution

1. Step 1: Write the proportion equation
   140,123.01 : 193,374.42 = 76,464.30 : x
2. Step 2: Convert to fraction form
   140,123.01/193,374.42 = 76,464.30/x
3. Step 3: Cross multiply
   140,123.01x = 193,374.42 × 76,464.30
4. Step 4: Simplify right side
   140,123.01x = 14,786,239,280.88
5. Step 5: Solve for x
   x = 14,786,239,280.88/140,123.01
6. Step 6: Final answer
   x = 105,523.28