Finding the Fourth Proportional to 85,090.66, 127,441.59 and 40,748.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,090.66 : 127,441.59 = 40,748.56 : x
2. Step 2: Convert to fraction form
   85,090.66/127,441.59 = 40,748.56/x
3. Step 3: Cross multiply
   85,090.66x = 127,441.59 × 40,748.56
4. Step 4: Simplify right side
   85,090.66x = 5,193,061,276.61
5. Step 5: Solve for x
   x = 5,193,061,276.61/85,090.66
6. Step 6: Final answer
   x = 61,029.74