Finding the Fourth Proportional to 119,123.16, 164,426.86 and 76,681.69

Step by Step Solution

1. Step 1: Write the proportion equation
   119,123.16 : 164,426.86 = 76,681.69 : x
2. Step 2: Convert to fraction form
   119,123.16/164,426.86 = 76,681.69/x
3. Step 3: Cross multiply
   119,123.16x = 164,426.86 × 76,681.69
4. Step 4: Simplify right side
   119,123.16x = 12,608,529,190.98
5. Step 5: Solve for x
   x = 12,608,529,190.98/119,123.16
6. Step 6: Final answer
   x = 105,844.49