Finding the Fourth Proportional to 15,070.62, 22,603.98 and 3,978.14

Step by Step Solution

1. Step 1: Write the proportion equation
   15,070.62 : 22,603.98 = 3,978.14 : x
2. Step 2: Convert to fraction form
   15,070.62/22,603.98 = 3,978.14/x
3. Step 3: Cross multiply
   15,070.62x = 22,603.98 × 3,978.14
4. Step 4: Simplify right side
   15,070.62x = 89,921,797.00
5. Step 5: Solve for x
   x = 89,921,797.00/15,070.62
6. Step 6: Final answer
   x = 5,966.70