Finding the Fourth Proportional to 130,667.84, 195,917.52 and 55,836.80

Step by Step Solution

1. Step 1: Write the proportion equation
   130,667.84 : 195,917.52 = 55,836.80 : x
2. Step 2: Convert to fraction form
   130,667.84/195,917.52 = 55,836.80/x
3. Step 3: Cross multiply
   130,667.84x = 195,917.52 × 55,836.80
4. Step 4: Simplify right side
   130,667.84x = 10,939,407,380.74
5. Step 5: Solve for x
   x = 10,939,407,380.74/130,667.84
6. Step 6: Final answer
   x = 83,719.20