Finding the Fourth Proportional to 111,131.59, 166,529.00 and 73,557.05

Step by Step Solution

1. Step 1: Write the proportion equation
   111,131.59 : 166,529.00 = 73,557.05 : x
2. Step 2: Convert to fraction form
   111,131.59/166,529.00 = 73,557.05/x
3. Step 3: Cross multiply
   111,131.59x = 166,529.00 × 73,557.05
4. Step 4: Simplify right side
   111,131.59x = 12,249,381,611.66
5. Step 5: Solve for x
   x = 12,249,381,611.66/111,131.59
6. Step 6: Final answer
   x = 110,224.12