Finding the Fourth Proportional to 91,015.99, 136,523.86 and 42,324.46

Step by Step Solution

1. Step 1: Write the proportion equation
   91,015.99 : 136,523.86 = 42,324.46 : x
2. Step 2: Convert to fraction form
   91,015.99/136,523.86 = 42,324.46/x
3. Step 3: Cross multiply
   91,015.99x = 136,523.86 × 42,324.46
4. Step 4: Simplify right side
   91,015.99x = 5,778,298,651.62
5. Step 5: Solve for x
   x = 5,778,298,651.62/91,015.99
6. Step 6: Final answer
   x = 63,486.63