Finding the Fourth Proportional to 116,769, 161,145.06 and 63,777

Step by Step Solution

1. Step 1: Write the proportion equation
   116,769 : 161,145.06 = 63,777 : x
2. Step 2: Convert to fraction form
   116,769/161,145.06 = 63,777/x
3. Step 3: Cross multiply
   116,769x = 161,145.06 × 63,777
4. Step 4: Simplify right side
   116,769x = 10,277,348,491.62
5. Step 5: Solve for x
   x = 10,277,348,491.62/116,769
6. Step 6: Final answer
   x = 88,014.36