Finding the Fourth Proportional to 301,522.53, 452,349.41 and 91,155

Step by Step Solution

1. Step 1: Write the proportion equation
   301,522.53 : 452,349.41 = 91,155 : x
2. Step 2: Convert to fraction form
   301,522.53/452,349.41 = 91,155/x
3. Step 3: Cross multiply
   301,522.53x = 452,349.41 × 91,155
4. Step 4: Simplify right side
   301,522.53x = 41,233,910,012.78
5. Step 5: Solve for x
   x = 41,233,910,012.78/301,522.53
6. Step 6: Final answer
   x = 136,752.33