Finding the Fourth Proportional to 53,486.72, 73,812.72 and 29,612.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,486.72 : 73,812.72 = 29,612.72 : x
2. Step 2: Convert to fraction form
   53,486.72/73,812.72 = 29,612.72/x
3. Step 3: Cross multiply
   53,486.72x = 73,812.72 × 29,612.72
4. Step 4: Simplify right side
   53,486.72x = 2,185,795,409.80
5. Step 5: Solve for x
   x = 2,185,795,409.80/53,486.72
6. Step 6: Final answer
   x = 40,866.13