Finding the Fourth Proportional to 47,090.66, 64,985.56 and 25,870.38

Step by Step Solution

1. Step 1: Write the proportion equation
   47,090.66 : 64,985.56 = 25,870.38 : x
2. Step 2: Convert to fraction form
   47,090.66/64,985.56 = 25,870.38/x
3. Step 3: Cross multiply
   47,090.66x = 64,985.56 × 25,870.38
4. Step 4: Simplify right side
   47,090.66x = 1,681,201,131.71
5. Step 5: Solve for x
   x = 1,681,201,131.71/47,090.66
6. Step 6: Final answer
   x = 35,701.37