Finding the Fourth Proportional to 79,763.65, 119,680.65 and 42,314.56

Step by Step Solution

1. Step 1: Write the proportion equation
   79,763.65 : 119,680.65 = 42,314.56 : x
2. Step 2: Convert to fraction form
   79,763.65/119,680.65 = 42,314.56/x
3. Step 3: Cross multiply
   79,763.65x = 119,680.65 × 42,314.56
4. Step 4: Simplify right side
   79,763.65x = 5,064,233,746.06
5. Step 5: Solve for x
   x = 5,064,233,746.06/79,763.65
6. Step 6: Final answer
   x = 63,490.50