Finding the Fourth Proportional to 94,686.44, 142,005.20 and 28,111.51

Step by Step Solution

1. Step 1: Write the proportion equation
   94,686.44 : 142,005.20 = 28,111.51 : x
2. Step 2: Convert to fraction form
   94,686.44/142,005.20 = 28,111.51/x
3. Step 3: Cross multiply
   94,686.44x = 142,005.20 × 28,111.51
4. Step 4: Simplify right side
   94,686.44x = 3,991,979,889.83
5. Step 5: Solve for x
   x = 3,991,979,889.83/94,686.44
6. Step 6: Final answer
   x = 42,160.00