Finding the Fourth Proportional to 53,118.72, 73,223.28 and 43,670.88

Step by Step Solution

1. Step 1: Write the proportion equation
   53,118.72 : 73,223.28 = 43,670.88 : x
2. Step 2: Convert to fraction form
   53,118.72/73,223.28 = 43,670.88/x
3. Step 3: Cross multiply
   53,118.72x = 73,223.28 × 43,670.88
4. Step 4: Simplify right side
   53,118.72x = 3,197,725,074.09
5. Step 5: Solve for x
   x = 3,197,725,074.09/53,118.72
6. Step 6: Final answer
   x = 60,199.59