Finding the Fourth Proportional to 117,410.31, 176,111.82 and 28,664.28

Step by Step Solution

1. Step 1: Write the proportion equation
   117,410.31 : 176,111.82 = 28,664.28 : x
2. Step 2: Convert to fraction form
   117,410.31/176,111.82 = 28,664.28/x
3. Step 3: Cross multiply
   117,410.31x = 176,111.82 × 28,664.28
4. Step 4: Simplify right side
   117,410.31x = 5,048,118,519.79
5. Step 5: Solve for x
   x = 5,048,118,519.79/117,410.31
6. Step 6: Final answer
   x = 42,995.53