Finding the Fourth Proportional to 52,980.24, 73,111 and 29,105.40

Step by Step Solution

1. Step 1: Write the proportion equation
   52,980.24 : 73,111 = 29,105.40 : x
2. Step 2: Convert to fraction form
   52,980.24/73,111 = 29,105.40/x
3. Step 3: Cross multiply
   52,980.24x = 73,111 × 29,105.40
4. Step 4: Simplify right side
   52,980.24x = 2,127,924,899.40
5. Step 5: Solve for x
   x = 2,127,924,899.40/52,980.24
6. Step 6: Final answer
   x = 40,164.50