Finding the Fourth Proportional to 222,715.50, 334,092.72 and 56,503.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,715.50 : 334,092.72 = 56,503.50 : x
2. Step 2: Convert to fraction form
   222,715.50/334,092.72 = 56,503.50/x
3. Step 3: Cross multiply
   222,715.50x = 334,092.72 × 56,503.50
4. Step 4: Simplify right side
   222,715.50x = 18,877,408,004.52
5. Step 5: Solve for x
   x = 18,877,408,004.52/222,715.50
6. Step 6: Final answer
   x = 84,760.19