Finding the Fourth Proportional to 42,636.72, 58,827.29 and 40,955.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,636.72 : 58,827.29 = 40,955.16 : x
2. Step 2: Convert to fraction form
   42,636.72/58,827.29 = 40,955.16/x
3. Step 3: Cross multiply
   42,636.72x = 58,827.29 × 40,955.16
4. Step 4: Simplify right side
   42,636.72x = 2,409,280,869.54
5. Step 5: Solve for x
   x = 2,409,280,869.54/42,636.72
6. Step 6: Final answer
   x = 56,507.18