Finding the Fourth Proportional to 71,977.02, 107,978.49 and 34,505.34

Step by Step Solution

1. Step 1: Write the proportion equation
   71,977.02 : 107,978.49 = 34,505.34 : x
2. Step 2: Convert to fraction form
   71,977.02/107,978.49 = 34,505.34/x
3. Step 3: Cross multiply
   71,977.02x = 107,978.49 × 34,505.34
4. Step 4: Simplify right side
   71,977.02x = 3,725,834,510.14
5. Step 5: Solve for x
   x = 3,725,834,510.14/71,977.02
6. Step 6: Final answer
   x = 51,764.22