Finding the Fourth Proportional to 12,901.39, 19,395.82 and 10,302.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,901.39 : 19,395.82 = 10,302.10 : x
2. Step 2: Convert to fraction form
   12,901.39/19,395.82 = 10,302.10/x
3. Step 3: Cross multiply
   12,901.39x = 19,395.82 × 10,302.10
4. Step 4: Simplify right side
   12,901.39x = 199,817,641.61
5. Step 5: Solve for x
   x = 199,817,641.61/12,901.39
6. Step 6: Final answer
   x = 15,488.07