Finding the Fourth Proportional to 9,072.84, 13,602.78 and 3,875.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,072.84 : 13,602.78 = 3,875.88 : x
2. Step 2: Convert to fraction form
   9,072.84/13,602.78 = 3,875.88/x
3. Step 3: Cross multiply
   9,072.84x = 13,602.78 × 3,875.88
4. Step 4: Simplify right side
   9,072.84x = 52,722,742.95
5. Step 5: Solve for x
   x = 52,722,742.95/9,072.84
6. Step 6: Final answer
   x = 5,811.05