Finding the Fourth Proportional to 79,131.42, 109,203.27 and 43,321.32

Step by Step Solution

1. Step 1: Write the proportion equation
   79,131.42 : 109,203.27 = 43,321.32 : x
2. Step 2: Convert to fraction form
   79,131.42/109,203.27 = 43,321.32/x
3. Step 3: Cross multiply
   79,131.42x = 109,203.27 × 43,321.32
4. Step 4: Simplify right side
   79,131.42x = 4,730,829,804.72
5. Step 5: Solve for x
   x = 4,730,829,804.72/79,131.42
6. Step 6: Final answer
   x = 59,784.47