Finding the Fourth Proportional to 108,980.52, 150,398.82 and 66,536.52

Step by Step Solution

1. Step 1: Write the proportion equation
   108,980.52 : 150,398.82 = 66,536.52 : x
2. Step 2: Convert to fraction form
   108,980.52/150,398.82 = 66,536.52/x
3. Step 3: Cross multiply
   108,980.52x = 150,398.82 × 66,536.52
4. Step 4: Simplify right side
   108,980.52x = 10,007,014,094.91
5. Step 5: Solve for x
   x = 10,007,014,094.91/108,980.52
6. Step 6: Final answer
   x = 91,823.88