Finding the Fourth Proportional to 13,991.58, 19,308.33 and 7,703.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,991.58 : 19,308.33 = 7,703.94 : x
2. Step 2: Convert to fraction form
   13,991.58/19,308.33 = 7,703.94/x
3. Step 3: Cross multiply
   13,991.58x = 19,308.33 × 7,703.94
4. Step 4: Simplify right side
   13,991.58x = 148,750,215.82
5. Step 5: Solve for x
   x = 148,750,215.82/13,991.58
6. Step 6: Final answer
   x = 10,631.41