Finding the Fourth Proportional to 81,196.84, 112,051.31 and 45,386.83

Step by Step Solution

1. Step 1: Write the proportion equation
   81,196.84 : 112,051.31 = 45,386.83 : x
2. Step 2: Convert to fraction form
   81,196.84/112,051.31 = 45,386.83/x
3. Step 3: Cross multiply
   81,196.84x = 112,051.31 × 45,386.83
4. Step 4: Simplify right side
   81,196.84x = 5,085,653,758.25
5. Step 5: Solve for x
   x = 5,085,653,758.25/81,196.84
6. Step 6: Final answer
   x = 62,633.64