Finding the Fourth Proportional to 76,192.61, 114,321.78 and 51,326.42

Step by Step Solution

1. Step 1: Write the proportion equation
   76,192.61 : 114,321.78 = 51,326.42 : x
2. Step 2: Convert to fraction form
   76,192.61/114,321.78 = 51,326.42/x
3. Step 3: Cross multiply
   76,192.61x = 114,321.78 × 51,326.42
4. Step 4: Simplify right side
   76,192.61x = 5,867,727,123.82
5. Step 5: Solve for x
   x = 5,867,727,123.82/76,192.61
6. Step 6: Final answer
   x = 77,011.77