Finding the Fourth Proportional to 64,870.51, 97,311.43 and 18,123.52

Step by Step Solution

1. Step 1: Write the proportion equation
   64,870.51 : 97,311.43 = 18,123.52 : x
2. Step 2: Convert to fraction form
   64,870.51/97,311.43 = 18,123.52/x
3. Step 3: Cross multiply
   64,870.51x = 97,311.43 × 18,123.52
4. Step 4: Simplify right side
   64,870.51x = 1,763,625,647.83
5. Step 5: Solve for x
   x = 1,763,625,647.83/64,870.51
6. Step 6: Final answer
   x = 27,186.86