Finding the Fourth Proportional to 108,820.31, 150,186.69 and 61,076.27

Step by Step Solution

1. Step 1: Write the proportion equation
   108,820.31 : 150,186.69 = 61,076.27 : x
2. Step 2: Convert to fraction form
   108,820.31/150,186.69 = 61,076.27/x
3. Step 3: Cross multiply
   108,820.31x = 150,186.69 × 61,076.27
4. Step 4: Simplify right side
   108,820.31x = 9,172,842,523.46
5. Step 5: Solve for x
   x = 9,172,842,523.46/108,820.31
6. Step 6: Final answer
   x = 84,293.48