Finding the Fourth Proportional to 47,090.66, 64,985.55 and 25,870.37

Step by Step Solution

1. Step 1: Write the proportion equation
   47,090.66 : 64,985.55 = 25,870.37 : x
2. Step 2: Convert to fraction form
   47,090.66/64,985.55 = 25,870.37/x
3. Step 3: Cross multiply
   47,090.66x = 64,985.55 × 25,870.37
4. Step 4: Simplify right side
   47,090.66x = 1,681,200,223.15
5. Step 5: Solve for x
   x = 1,681,200,223.15/47,090.66
6. Step 6: Final answer
   x = 35,701.35