Finding the Fourth Proportional to 10,386.63, 15,492.42 and 10,075.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,386.63 : 15,492.42 = 10,075.41 : x
2. Step 2: Convert to fraction form
   10,386.63/15,492.42 = 10,075.41/x
3. Step 3: Cross multiply
   10,386.63x = 15,492.42 × 10,075.41
4. Step 4: Simplify right side
   10,386.63x = 156,092,483.39
5. Step 5: Solve for x
   x = 156,092,483.39/10,386.63
6. Step 6: Final answer
   x = 15,028.21