Finding the Fourth Proportional to 53,485.72, 73,811.34 and 29,611.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,485.72 : 73,811.34 = 29,611.72 : x
2. Step 2: Convert to fraction form
   53,485.72/73,811.34 = 29,611.72/x
3. Step 3: Cross multiply
   53,485.72x = 73,811.34 × 29,611.72
4. Step 4: Simplify right side
   53,485.72x = 2,185,680,732.90
5. Step 5: Solve for x
   x = 2,185,680,732.90/53,485.72
6. Step 6: Final answer
   x = 40,864.75