Finding the Fourth Proportional to 79,619.32, 109,875.30 and 43,321

Step by Step Solution

1. Step 1: Write the proportion equation
   79,619.32 : 109,875.30 = 43,321 : x
2. Step 2: Convert to fraction form
   79,619.32/109,875.30 = 43,321/x
3. Step 3: Cross multiply
   79,619.32x = 109,875.30 × 43,321
4. Step 4: Simplify right side
   79,619.32x = 4,759,907,871.30
5. Step 5: Solve for x
   x = 4,759,907,871.30/79,619.32
6. Step 6: Final answer
   x = 59,783.33