Finding the Fourth Proportional to 53,430.72, 73,797.14 and 42,712.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,430.72 : 73,797.14 = 42,712.72 : x
2. Step 2: Convert to fraction form
   53,430.72/73,797.14 = 42,712.72/x
3. Step 3: Cross multiply
   53,430.72x = 73,797.14 × 42,712.72
4. Step 4: Simplify right side
   53,430.72x = 3,152,076,577.62
5. Step 5: Solve for x
   x = 3,152,076,577.62/53,430.72
6. Step 6: Final answer
   x = 58,993.71