Finding the Fourth Proportional to 106,406.72, 159,561.08 and 31,500.08

Step by Step Solution

1. Step 1: Write the proportion equation
   106,406.72 : 159,561.08 = 31,500.08 : x
2. Step 2: Convert to fraction form
   106,406.72/159,561.08 = 31,500.08/x
3. Step 3: Cross multiply
   106,406.72x = 159,561.08 × 31,500.08
4. Step 4: Simplify right side
   106,406.72x = 5,026,186,784.89
5. Step 5: Solve for x
   x = 5,026,186,784.89/106,406.72
6. Step 6: Final answer
   x = 47,235.61