Finding the Fourth Proportional to 93,687.60, 140,538.69 and 27,128.69

Step by Step Solution

1. Step 1: Write the proportion equation
   93,687.60 : 140,538.69 = 27,128.69 : x
2. Step 2: Convert to fraction form
   93,687.60/140,538.69 = 27,128.69/x
3. Step 3: Cross multiply
   93,687.60x = 140,538.69 × 27,128.69
4. Step 4: Simplify right side
   93,687.60x = 3,812,630,554.02
5. Step 5: Solve for x
   x = 3,812,630,554.02/93,687.60
6. Step 6: Final answer
   x = 40,695.15