Finding the Fourth Proportional to 53,941.34, 80,275.11 and 52,145.31

Step by Step Solution

1. Step 1: Write the proportion equation
   53,941.34 : 80,275.11 = 52,145.31 : x
2. Step 2: Convert to fraction form
   53,941.34/80,275.11 = 52,145.31/x
3. Step 3: Cross multiply
   53,941.34x = 80,275.11 × 52,145.31
4. Step 4: Simplify right side
   53,941.34x = 4,185,970,496.23
5. Step 5: Solve for x
   x = 4,185,970,496.23/53,941.34
6. Step 6: Final answer
   x = 77,602.28