Finding the Fourth Proportional to 58,399.79, 80,507.72 and 41,603.63

Step by Step Solution

1. Step 1: Write the proportion equation
   58,399.79 : 80,507.72 = 41,603.63 : x
2. Step 2: Convert to fraction form
   58,399.79/80,507.72 = 41,603.63/x
3. Step 3: Cross multiply
   58,399.79x = 80,507.72 × 41,603.63
4. Step 4: Simplify right side
   58,399.79x = 3,349,413,096.49
5. Step 5: Solve for x
   x = 3,349,413,096.49/58,399.79
6. Step 6: Final answer
   x = 57,353.18