Finding the Fourth Proportional to 117,316.89, 175,971.89 and 28,569.11

Step by Step Solution

1. Step 1: Write the proportion equation
   117,316.89 : 175,971.89 = 28,569.11 : x
2. Step 2: Convert to fraction form
   117,316.89/175,971.89 = 28,569.11/x
3. Step 3: Cross multiply
   117,316.89x = 175,971.89 × 28,569.11
4. Step 4: Simplify right side
   117,316.89x = 5,027,359,473.88
5. Step 5: Solve for x
   x = 5,027,359,473.88/117,316.89
6. Step 6: Final answer
   x = 42,852.82