Finding the Fourth Proportional to 108,056.56, 149,051.76 and 71,759.56

Step by Step Solution

1. Step 1: Write the proportion equation
   108,056.56 : 149,051.76 = 71,759.56 : x
2. Step 2: Convert to fraction form
   108,056.56/149,051.76 = 71,759.56/x
3. Step 3: Cross multiply
   108,056.56x = 149,051.76 × 71,759.56
4. Step 4: Simplify right side
   108,056.56x = 10,695,888,714.83
5. Step 5: Solve for x
   x = 10,695,888,714.83/108,056.56
6. Step 6: Final answer
   x = 98,984.17