Finding the Fourth Proportional to 11,100.51, 16,649.55 and 3,307.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,100.51 : 16,649.55 = 3,307.50 : x
2. Step 2: Convert to fraction form
   11,100.51/16,649.55 = 3,307.50/x
3. Step 3: Cross multiply
   11,100.51x = 16,649.55 × 3,307.50
4. Step 4: Simplify right side
   11,100.51x = 55,068,386.63
5. Step 5: Solve for x
   x = 55,068,386.63/11,100.51
6. Step 6: Final answer
   x = 4,960.89