Finding the Fourth Proportional to 12,980.25, 19,473.62 and 3,746.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,980.25 : 19,473.62 = 3,746.25 : x
2. Step 2: Convert to fraction form
   12,980.25/19,473.62 = 3,746.25/x
3. Step 3: Cross multiply
   12,980.25x = 19,473.62 × 3,746.25
4. Step 4: Simplify right side
   12,980.25x = 72,953,030.19
5. Step 5: Solve for x
   x = 72,953,030.19/12,980.25
6. Step 6: Final answer
   x = 5,620.31