Finding the Fourth Proportional to 117,009.89, 175,459.24 and 57,776.34

Step by Step Solution

1. Step 1: Write the proportion equation
   117,009.89 : 175,459.24 = 57,776.34 : x
2. Step 2: Convert to fraction form
   117,009.89/175,459.24 = 57,776.34/x
3. Step 3: Cross multiply
   117,009.89x = 175,459.24 × 57,776.34
4. Step 4: Simplify right side
   117,009.89x = 10,137,392,706.38
5. Step 5: Solve for x
   x = 10,137,392,706.38/117,009.89
6. Step 6: Final answer
   x = 86,637.06