Finding the Fourth Proportional to 85,914.05, 128,889.59 and 25,937.55

Step by Step Solution

1. Step 1: Write the proportion equation
   85,914.05 : 128,889.59 = 25,937.55 : x
2. Step 2: Convert to fraction form
   85,914.05/128,889.59 = 25,937.55/x
3. Step 3: Cross multiply
   85,914.05x = 128,889.59 × 25,937.55
4. Step 4: Simplify right side
   85,914.05x = 3,343,080,055.42
5. Step 5: Solve for x
   x = 3,343,080,055.42/85,914.05
6. Step 6: Final answer
   x = 38,911.92