Finding the Fourth Proportional to 13,845.91, 19,107.56 and 7,558.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,845.91 : 19,107.56 = 7,558.15 : x
2. Step 2: Convert to fraction form
   13,845.91/19,107.56 = 7,558.15/x
3. Step 3: Cross multiply
   13,845.91x = 19,107.56 × 7,558.15
4. Step 4: Simplify right side
   13,845.91x = 144,417,804.61
5. Step 5: Solve for x
   x = 144,417,804.61/13,845.91
6. Step 6: Final answer
   x = 10,430.36