Finding the Fourth Proportional to 63,870.73, 88,142.18 and 40,011.37

Step by Step Solution

1. Step 1: Write the proportion equation
   63,870.73 : 88,142.18 = 40,011.37 : x
2. Step 2: Convert to fraction form
   63,870.73/88,142.18 = 40,011.37/x
3. Step 3: Cross multiply
   63,870.73x = 88,142.18 × 40,011.37
4. Step 4: Simplify right side
   63,870.73x = 3,526,688,956.17
5. Step 5: Solve for x
   x = 3,526,688,956.17/63,870.73
6. Step 6: Final answer
   x = 55,216.04