Finding the Fourth Proportional to 119,131.51, 164,401.94 and 64,683.76

Step by Step Solution

1. Step 1: Write the proportion equation
   119,131.51 : 164,401.94 = 64,683.76 : x
2. Step 2: Convert to fraction form
   119,131.51/164,401.94 = 64,683.76/x
3. Step 3: Cross multiply
   119,131.51x = 164,401.94 × 64,683.76
4. Step 4: Simplify right side
   119,131.51x = 10,634,135,630.49
5. Step 5: Solve for x
   x = 10,634,135,630.49/119,131.51
6. Step 6: Final answer
   x = 89,263.84