Finding the Fourth Proportional to 9,945.59, 14,925.09 and 4,102.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.59 : 14,925.09 = 4,102.07 : x
2. Step 2: Convert to fraction form
   9,945.59/14,925.09 = 4,102.07/x
3. Step 3: Cross multiply
   9,945.59x = 14,925.09 × 4,102.07
4. Step 4: Simplify right side
   9,945.59x = 61,223,763.94
5. Step 5: Solve for x
   x = 61,223,763.94/9,945.59
6. Step 6: Final answer
   x = 6,155.87