Finding the Fourth Proportional to 9,064.71, 13,588.86 and 3,219.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,064.71 : 13,588.86 = 3,219.95 : x
2. Step 2: Convert to fraction form
   9,064.71/13,588.86 = 3,219.95/x
3. Step 3: Cross multiply
   9,064.71x = 13,588.86 × 3,219.95
4. Step 4: Simplify right side
   9,064.71x = 43,755,495.80
5. Step 5: Solve for x
   x = 43,755,495.80/9,064.71
6. Step 6: Final answer
   x = 4,827.02