Finding the Fourth Proportional to 15,627.60, 21,566.59 and 8,554.01

Step by Step Solution

1. Step 1: Write the proportion equation
   15,627.60 : 21,566.59 = 8,554.01 : x
2. Step 2: Convert to fraction form
   15,627.60/21,566.59 = 8,554.01/x
3. Step 3: Cross multiply
   15,627.60x = 21,566.59 × 8,554.01
4. Step 4: Simplify right side
   15,627.60x = 184,480,697.31
5. Step 5: Solve for x
   x = 184,480,697.31/15,627.60
6. Step 6: Final answer
   x = 11,804.80