Finding the Fourth Proportional to 111,810.50, 167,681.61 and 31,855.00

Step by Step Solution

1. Step 1: Write the proportion equation
   111,810.50 : 167,681.61 = 31,855.00 : x
2. Step 2: Convert to fraction form
   111,810.50/167,681.61 = 31,855.00/x
3. Step 3: Cross multiply
   111,810.50x = 167,681.61 × 31,855.00
4. Step 4: Simplify right side
   111,810.50x = 5,341,497,346.98
5. Step 5: Solve for x
   x = 5,341,497,346.98/111,810.50
6. Step 6: Final answer
   x = 47,772.77