Finding the Fourth Proportional to 91,573.93, 137,114.81 and 58,112.83

Step by Step Solution

1. Step 1: Write the proportion equation
   91,573.93 : 137,114.81 = 58,112.83 : x
2. Step 2: Convert to fraction form
   91,573.93/137,114.81 = 58,112.83/x
3. Step 3: Cross multiply
   91,573.93x = 137,114.81 × 58,112.83
4. Step 4: Simplify right side
   91,573.93x = 7,968,129,353.45
5. Step 5: Solve for x
   x = 7,968,129,353.45/91,573.93
6. Step 6: Final answer
   x = 87,013.08