Finding the Fourth Proportional to 53,116.85, 73,143.06 and 51,938.10

Step by Step Solution

1. Step 1: Write the proportion equation
   53,116.85 : 73,143.06 = 51,938.10 : x
2. Step 2: Convert to fraction form
   53,116.85/73,143.06 = 51,938.10/x
3. Step 3: Cross multiply
   53,116.85x = 73,143.06 × 51,938.10
4. Step 4: Simplify right side
   53,116.85x = 3,798,911,095.53
5. Step 5: Solve for x
   x = 3,798,911,095.53/53,116.85
6. Step 6: Final answer
   x = 71,519.89