Finding the Fourth Proportional to 106,581.69, 147,087.50 and 61,274.34

Step by Step Solution

1. Step 1: Write the proportion equation
   106,581.69 : 147,087.50 = 61,274.34 : x
2. Step 2: Convert to fraction form
   106,581.69/147,087.50 = 61,274.34/x
3. Step 3: Cross multiply
   106,581.69x = 147,087.50 × 61,274.34
4. Step 4: Simplify right side
   106,581.69x = 9,012,689,178.38
5. Step 5: Solve for x
   x = 9,012,689,178.38/106,581.69
6. Step 6: Final answer
   x = 84,561.33