Finding the Fourth Proportional to 93,667.89, 129,251.70 and 55,429.41

Step by Step Solution

1. Step 1: Write the proportion equation
   93,667.89 : 129,251.70 = 55,429.41 : x
2. Step 2: Convert to fraction form
   93,667.89/129,251.70 = 55,429.41/x
3. Step 3: Cross multiply
   93,667.89x = 129,251.70 × 55,429.41
4. Step 4: Simplify right side
   93,667.89x = 7,164,345,957.19
5. Step 5: Solve for x
   x = 7,164,345,957.19/93,667.89
6. Step 6: Final answer
   x = 76,486.68