Finding the Fourth Proportional to 91,488.99, 137,165.70 and 43,433.82

Step by Step Solution

1. Step 1: Write the proportion equation
   91,488.99 : 137,165.70 = 43,433.82 : x
2. Step 2: Convert to fraction form
   91,488.99/137,165.70 = 43,433.82/x
3. Step 3: Cross multiply
   91,488.99x = 137,165.70 × 43,433.82
4. Step 4: Simplify right side
   91,488.99x = 5,957,630,486.85
5. Step 5: Solve for x
   x = 5,957,630,486.85/91,488.99
6. Step 6: Final answer
   x = 65,118.55