Finding the Fourth Proportional to 79,256.31, 109,384.91 and 49,051.36

Step by Step Solution

1. Step 1: Write the proportion equation
   79,256.31 : 109,384.91 = 49,051.36 : x
2. Step 2: Convert to fraction form
   79,256.31/109,384.91 = 49,051.36/x
3. Step 3: Cross multiply
   79,256.31x = 109,384.91 × 49,051.36
4. Step 4: Simplify right side
   79,256.31x = 5,365,478,598.98
5. Step 5: Solve for x
   x = 5,365,478,598.98/79,256.31
6. Step 6: Final answer
   x = 67,697.81