Finding the Fourth Proportional to 13,030.31, 17,981.63 and 7,061.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,030.31 : 17,981.63 = 7,061.93 : x
2. Step 2: Convert to fraction form
   13,030.31/17,981.63 = 7,061.93/x
3. Step 3: Cross multiply
   13,030.31x = 17,981.63 × 7,061.93
4. Step 4: Simplify right side
   13,030.31x = 126,984,977.04
5. Step 5: Solve for x
   x = 126,984,977.04/13,030.31
6. Step 6: Final answer
   x = 9,745.35