Finding the Fourth Proportional to 3,887.95, 5,368.72 and 3,333.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,887.95 : 5,368.72 = 3,333.91 : x
2. Step 2: Convert to fraction form
   3,887.95/5,368.72 = 3,333.91/x
3. Step 3: Cross multiply
   3,887.95x = 5,368.72 × 3,333.91
4. Step 4: Simplify right side
   3,887.95x = 17,898,802.45
5. Step 5: Solve for x
   x = 17,898,802.45/3,887.95
6. Step 6: Final answer
   x = 4,603.67