Finding the Fourth Proportional to 117,092.22, 175,638.78 and 28,345.58

Step by Step Solution

1. Step 1: Write the proportion equation
   117,092.22 : 175,638.78 = 28,345.58 : x
2. Step 2: Convert to fraction form
   117,092.22/175,638.78 = 28,345.58/x
3. Step 3: Cross multiply
   117,092.22x = 175,638.78 × 28,345.58
4. Step 4: Simplify right side
   117,092.22x = 4,978,583,528.69
5. Step 5: Solve for x
   x = 4,978,583,528.69/117,092.22
6. Step 6: Final answer
   x = 42,518.48