Finding the Fourth Proportional to 60,961.28, 84,128.96 and 35,810.56

Step by Step Solution

1. Step 1: Write the proportion equation
   60,961.28 : 84,128.96 = 35,810.56 : x
2. Step 2: Convert to fraction form
   60,961.28/84,128.96 = 35,810.56/x
3. Step 3: Cross multiply
   60,961.28x = 84,128.96 × 35,810.56
4. Step 4: Simplify right side
   60,961.28x = 3,012,705,169.82
5. Step 5: Solve for x
   x = 3,012,705,169.82/60,961.28
6. Step 6: Final answer
   x = 49,419.98