Finding the Fourth Proportional to 19,400.18, 29,100.43 and 10,630.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,400.18 : 29,100.43 = 10,630.31 : x
2. Step 2: Convert to fraction form
   19,400.18/29,100.43 = 10,630.31/x
3. Step 3: Cross multiply
   19,400.18x = 29,100.43 × 10,630.31
4. Step 4: Simplify right side
   19,400.18x = 309,346,459.82
5. Step 5: Solve for x
   x = 309,346,459.82/19,400.18
6. Step 6: Final answer
   x = 15,945.55