Finding the Fourth Proportional to 106,563.69, 147,062.79 and 61,256.34

Step by Step Solution

1. Step 1: Write the proportion equation
   106,563.69 : 147,062.79 = 61,256.34 : x
2. Step 2: Convert to fraction form
   106,563.69/147,062.79 = 61,256.34/x
3. Step 3: Cross multiply
   106,563.69x = 147,062.79 × 61,256.34
4. Step 4: Simplify right side
   106,563.69x = 9,008,528,265.59
5. Step 5: Solve for x
   x = 9,008,528,265.59/106,563.69
6. Step 6: Final answer
   x = 84,536.56