Finding the Fourth Proportional to 67,692.28, 93,415.50 and 37,479.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,692.28 : 93,415.50 = 37,479.72 : x
2. Step 2: Convert to fraction form
   67,692.28/93,415.50 = 37,479.72/x
3. Step 3: Cross multiply
   67,692.28x = 93,415.50 × 37,479.72
4. Step 4: Simplify right side
   67,692.28x = 3,501,186,783.66
5. Step 5: Solve for x
   x = 3,501,186,783.66/67,692.28
6. Step 6: Final answer
   x = 51,722.10