Finding the Fourth Proportional to 45,741.59, 63,130.55 and 28,748.15

Step by Step Solution

1. Step 1: Write the proportion equation
   45,741.59 : 63,130.55 = 28,748.15 : x
2. Step 2: Convert to fraction form
   45,741.59/63,130.55 = 28,748.15/x
3. Step 3: Cross multiply
   45,741.59x = 63,130.55 × 28,748.15
4. Step 4: Simplify right side
   45,741.59x = 1,814,886,061.59
5. Step 5: Solve for x
   x = 1,814,886,061.59/45,741.59
6. Step 6: Final answer
   x = 39,676.94