Finding the Fourth Proportional to 116,866.72, 175,455.65 and 79,043.05

Step by Step Solution

1. Step 1: Write the proportion equation
   116,866.72 : 175,455.65 = 79,043.05 : x
2. Step 2: Convert to fraction form
   116,866.72/175,455.65 = 79,043.05/x
3. Step 3: Cross multiply
   116,866.72x = 175,455.65 × 79,043.05
4. Step 4: Simplify right side
   116,866.72x = 13,868,549,715.73
5. Step 5: Solve for x
   x = 13,868,549,715.73/116,866.72
6. Step 6: Final answer
   x = 118,669.80