Finding the Fourth Proportional to 53,461, 73,691.19 and 42,112.54

Step by Step Solution

1. Step 1: Write the proportion equation
   53,461 : 73,691.19 = 42,112.54 : x
2. Step 2: Convert to fraction form
   53,461/73,691.19 = 42,112.54/x
3. Step 3: Cross multiply
   53,461x = 73,691.19 × 42,112.54
4. Step 4: Simplify right side
   53,461x = 3,103,323,186.52
5. Step 5: Solve for x
   x = 3,103,323,186.52/53,461
6. Step 6: Final answer
   x = 58,048.36