Finding the Fourth Proportional to 186,300.72, 257,093.68 and 101,417.56

Step by Step Solution

1. Step 1: Write the proportion equation
   186,300.72 : 257,093.68 = 101,417.56 : x
2. Step 2: Convert to fraction form
   186,300.72/257,093.68 = 101,417.56/x
3. Step 3: Cross multiply
   186,300.72x = 257,093.68 × 101,417.56
4. Step 4: Simplify right side
   186,300.72x = 26,073,813,717.02
5. Step 5: Solve for x
   x = 26,073,813,717.02/186,300.72
6. Step 6: Final answer
   x = 139,955.52