Finding the Fourth Proportional to 95,315.20, 142,973.82 and 28,755.91

Step by Step Solution

1. Step 1: Write the proportion equation
   95,315.20 : 142,973.82 = 28,755.91 : x
2. Step 2: Convert to fraction form
   95,315.20/142,973.82 = 28,755.91/x
3. Step 3: Cross multiply
   95,315.20x = 142,973.82 × 28,755.91
4. Step 4: Simplify right side
   95,315.20x = 4,111,341,585.41
5. Step 5: Solve for x
   x = 4,111,341,585.41/95,315.20
6. Step 6: Final answer
   x = 43,134.17