Finding the Fourth Proportional to 116,888.76, 161,298.39 and 65,903.31

Step by Step Solution

1. Step 1: Write the proportion equation
   116,888.76 : 161,298.39 = 65,903.31 : x
2. Step 2: Convert to fraction form
   116,888.76/161,298.39 = 65,903.31/x
3. Step 3: Cross multiply
   116,888.76x = 161,298.39 × 65,903.31
4. Step 4: Simplify right side
   116,888.76x = 10,630,097,798.67
5. Step 5: Solve for x
   x = 10,630,097,798.67/116,888.76
6. Step 6: Final answer
   x = 90,942.00