Finding the Fourth Proportional to 81,962.19, 113,111.30 and 45,663.61

Step by Step Solution

1. Step 1: Write the proportion equation
   81,962.19 : 113,111.30 = 45,663.61 : x
2. Step 2: Convert to fraction form
   81,962.19/113,111.30 = 45,663.61/x
3. Step 3: Cross multiply
   81,962.19x = 113,111.30 × 45,663.61
4. Step 4: Simplify right side
   81,962.19x = 5,165,069,724.24
5. Step 5: Solve for x
   x = 5,165,069,724.24/81,962.19
6. Step 6: Final answer
   x = 63,017.71