Finding the Fourth Proportional to 117,616.01, 162,298.39 and 66,618.59

Step by Step Solution

1. Step 1: Write the proportion equation
   117,616.01 : 162,298.39 = 66,618.59 : x
2. Step 2: Convert to fraction form
   117,616.01/162,298.39 = 66,618.59/x
3. Step 3: Cross multiply
   117,616.01x = 162,298.39 × 66,618.59
4. Step 4: Simplify right side
   117,616.01x = 10,812,089,567.98
5. Step 5: Solve for x
   x = 10,812,089,567.98/117,616.01
6. Step 6: Final answer
   x = 91,927.02