Finding the Fourth Proportional to 45,713.72, 63,123.86 and 28,746.35

Step by Step Solution

1. Step 1: Write the proportion equation
   45,713.72 : 63,123.86 = 28,746.35 : x
2. Step 2: Convert to fraction form
   45,713.72/63,123.86 = 28,746.35/x
3. Step 3: Cross multiply
   45,713.72x = 63,123.86 × 28,746.35
4. Step 4: Simplify right side
   45,713.72x = 1,814,580,802.59
5. Step 5: Solve for x
   x = 1,814,580,802.59/45,713.72
6. Step 6: Final answer
   x = 39,694.45