Finding the Fourth Proportional to 60,705.90, 83,678.40 and 45,576.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,705.90 : 83,678.40 = 45,576.72 : x
2. Step 2: Convert to fraction form
   60,705.90/83,678.40 = 45,576.72/x
3. Step 3: Cross multiply
   60,705.90x = 83,678.40 × 45,576.72
4. Step 4: Simplify right side
   60,705.90x = 3,813,787,006.85
5. Step 5: Solve for x
   x = 3,813,787,006.85/60,705.90
6. Step 6: Final answer
   x = 62,823.99