Finding the Fourth Proportional to 110,118.16, 151,973.72 and 61,728.31

Step by Step Solution

1. Step 1: Write the proportion equation
   110,118.16 : 151,973.72 = 61,728.31 : x
2. Step 2: Convert to fraction form
   110,118.16/151,973.72 = 61,728.31/x
3. Step 3: Cross multiply
   110,118.16x = 151,973.72 × 61,728.31
4. Step 4: Simplify right side
   110,118.16x = 9,381,080,900.01
5. Step 5: Solve for x
   x = 9,381,080,900.01/110,118.16
6. Step 6: Final answer
   x = 85,191.04