Finding the Fourth Proportional to 53,460.50, 73,690.50 and 42,112.04

Step by Step Solution

1. Step 1: Write the proportion equation
   53,460.50 : 73,690.50 = 42,112.04 : x
2. Step 2: Convert to fraction form
   53,460.50/73,690.50 = 42,112.04/x
3. Step 3: Cross multiply
   53,460.50x = 73,690.50 × 42,112.04
4. Step 4: Simplify right side
   53,460.50x = 3,103,257,283.62
5. Step 5: Solve for x
   x = 3,103,257,283.62/53,460.50
6. Step 6: Final answer
   x = 58,047.67