Finding the Fourth Proportional to 78,928.56, 118,323.72 and 29,715.12

Step by Step Solution

1. Step 1: Write the proportion equation
   78,928.56 : 118,323.72 = 29,715.12 : x
2. Step 2: Convert to fraction form
   78,928.56/118,323.72 = 29,715.12/x
3. Step 3: Cross multiply
   78,928.56x = 118,323.72 × 29,715.12
4. Step 4: Simplify right side
   78,928.56x = 3,516,003,538.65
5. Step 5: Solve for x
   x = 3,516,003,538.65/78,928.56
6. Step 6: Final answer
   x = 44,546.66