Finding the Fourth Proportional to 116,773.58, 161,148.02 and 65,786.91

Step by Step Solution

1. Step 1: Write the proportion equation
   116,773.58 : 161,148.02 = 65,786.91 : x
2. Step 2: Convert to fraction form
   116,773.58/161,148.02 = 65,786.91/x
3. Step 3: Cross multiply
   116,773.58x = 161,148.02 × 65,786.91
4. Step 4: Simplify right side
   116,773.58x = 10,601,429,959.48
5. Step 5: Solve for x
   x = 10,601,429,959.48/116,773.58
6. Step 6: Final answer
   x = 90,786.21