Finding the Fourth Proportional to 454,667.81, 681,803.89 and 130,384.49

Step by Step Solution

1. Step 1: Write the proportion equation
   454,667.81 : 681,803.89 = 130,384.49 : x
2. Step 2: Convert to fraction form
   454,667.81/681,803.89 = 130,384.49/x
3. Step 3: Cross multiply
   454,667.81x = 681,803.89 × 130,384.49
4. Step 4: Simplify right side
   454,667.81x = 88,896,652,477.67
5. Step 5: Solve for x
   x = 88,896,652,477.67/454,667.81
6. Step 6: Final answer
   x = 195,520.00