Finding the Fourth Proportional to 189,050.71, 260,887.89 and 107,378.41

Step by Step Solution

1. Step 1: Write the proportion equation
   189,050.71 : 260,887.89 = 107,378.41 : x
2. Step 2: Convert to fraction form
   189,050.71/260,887.89 = 107,378.41/x
3. Step 3: Cross multiply
   189,050.71x = 260,887.89 × 107,378.41
4. Step 4: Simplify right side
   189,050.71x = 28,013,726,816.45
5. Step 5: Solve for x
   x = 28,013,726,816.45/189,050.71
6. Step 6: Final answer
   x = 148,181.02