Finding the Fourth Proportional to 79,051.28, 109,091.54 and 43,240.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,051.28 : 109,091.54 = 43,240.50 : x
2. Step 2: Convert to fraction form
   79,051.28/109,091.54 = 43,240.50/x
3. Step 3: Cross multiply
   79,051.28x = 109,091.54 × 43,240.50
4. Step 4: Simplify right side
   79,051.28x = 4,717,172,843.47
5. Step 5: Solve for x
   x = 4,717,172,843.47/79,051.28
6. Step 6: Final answer
   x = 59,672.32