Finding the Fourth Proportional to 117,789.48, 176,238.38 and 69,783.87

Step by Step Solution

1. Step 1: Write the proportion equation
   117,789.48 : 176,238.38 = 69,783.87 : x
2. Step 2: Convert to fraction form
   117,789.48/176,238.38 = 69,783.87/x
3. Step 3: Cross multiply
   117,789.48x = 176,238.38 × 69,783.87
4. Step 4: Simplify right side
   117,789.48x = 12,298,595,850.01
5. Step 5: Solve for x
   x = 12,298,595,850.01/117,789.48
6. Step 6: Final answer
   x = 104,411.66