Finding the Fourth Proportional to 45,754.32, 63,131.98 and 28,748.71

Step by Step Solution

1. Step 1: Write the proportion equation
   45,754.32 : 63,131.98 = 28,748.71 : x
2. Step 2: Convert to fraction form
   45,754.32/63,131.98 = 28,748.71/x
3. Step 3: Cross multiply
   45,754.32x = 63,131.98 × 28,748.71
4. Step 4: Simplify right side
   45,754.32x = 1,814,962,984.75
5. Step 5: Solve for x
   x = 1,814,962,984.75/45,754.32
6. Step 6: Final answer
   x = 39,667.58