Finding the Fourth Proportional to 58,760.42, 87,945.71 and 53,507.57

Step by Step Solution

1. Step 1: Write the proportion equation
   58,760.42 : 87,945.71 = 53,507.57 : x
2. Step 2: Convert to fraction form
   58,760.42/87,945.71 = 53,507.57/x
3. Step 3: Cross multiply
   58,760.42x = 87,945.71 × 53,507.57
4. Step 4: Simplify right side
   58,760.42x = 4,705,760,928.07
5. Step 5: Solve for x
   x = 4,705,760,928.07/58,760.42
6. Step 6: Final answer
   x = 80,083.86