Finding the Fourth Proportional to 28,300.96, 39,060.72 and 18,741.04

Step by Step Solution

1. Step 1: Write the proportion equation
   28,300.96 : 39,060.72 = 18,741.04 : x
2. Step 2: Convert to fraction form
   28,300.96/39,060.72 = 18,741.04/x
3. Step 3: Cross multiply
   28,300.96x = 39,060.72 × 18,741.04
4. Step 4: Simplify right side
   28,300.96x = 732,038,515.95
5. Step 5: Solve for x
   x = 732,038,515.95/28,300.96
6. Step 6: Final answer
   x = 25,866.21