Finding the Fourth Proportional to 29,012.56, 43,510.86 and 10,290.10

Step by Step Solution

1. Step 1: Write the proportion equation
   29,012.56 : 43,510.86 = 10,290.10 : x
2. Step 2: Convert to fraction form
   29,012.56/43,510.86 = 10,290.10/x
3. Step 3: Cross multiply
   29,012.56x = 43,510.86 × 10,290.10
4. Step 4: Simplify right side
   29,012.56x = 447,731,100.49
5. Step 5: Solve for x
   x = 447,731,100.49/29,012.56
6. Step 6: Final answer
   x = 15,432.32