Finding the Fourth Proportional to 117,667.88, 176,576.88 and 42,780.84

Step by Step Solution

1. Step 1: Write the proportion equation
   117,667.88 : 176,576.88 = 42,780.84 : x
2. Step 2: Convert to fraction form
   117,667.88/176,576.88 = 42,780.84/x
3. Step 3: Cross multiply
   117,667.88x = 176,576.88 × 42,780.84
4. Step 4: Simplify right side
   117,667.88x = 7,554,107,250.98
5. Step 5: Solve for x
   x = 7,554,107,250.98/117,667.88
6. Step 6: Final answer
   x = 64,198.55