Finding the Fourth Proportional to 13,878.56, 19,152.72 and 7,590.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,878.56 : 19,152.72 = 7,590.94 : x
2. Step 2: Convert to fraction form
   13,878.56/19,152.72 = 7,590.94/x
3. Step 3: Cross multiply
   13,878.56x = 19,152.72 × 7,590.94
4. Step 4: Simplify right side
   13,878.56x = 145,387,100.48
5. Step 5: Solve for x
   x = 145,387,100.48/13,878.56
6. Step 6: Final answer
   x = 10,475.66