Finding the Fourth Proportional to 33,830.63, 50,746.15 and 8,870.45

Step by Step Solution

1. Step 1: Write the proportion equation
   33,830.63 : 50,746.15 = 8,870.45 : x
2. Step 2: Convert to fraction form
   33,830.63/50,746.15 = 8,870.45/x
3. Step 3: Cross multiply
   33,830.63x = 50,746.15 × 8,870.45
4. Step 4: Simplify right side
   33,830.63x = 450,141,186.27
5. Step 5: Solve for x
   x = 450,141,186.27/33,830.63
6. Step 6: Final answer
   x = 13,305.73