Finding the Fourth Proportional to 78,979.95, 118,499.50 and 41,005.51

Step by Step Solution

1. Step 1: Write the proportion equation
   78,979.95 : 118,499.50 = 41,005.51 : x
2. Step 2: Convert to fraction form
   78,979.95/118,499.50 = 41,005.51/x
3. Step 3: Cross multiply
   78,979.95x = 118,499.50 × 41,005.51
4. Step 4: Simplify right side
   78,979.95x = 4,859,133,006.56
5. Step 5: Solve for x
   x = 4,859,133,006.56/78,979.95
6. Step 6: Final answer
   x = 61,523.63