Finding the Fourth Proportional to 81,453.52, 112,412.16 and 45,646.86

Step by Step Solution

1. Step 1: Write the proportion equation
   81,453.52 : 112,412.16 = 45,646.86 : x
2. Step 2: Convert to fraction form
   81,453.52/112,412.16 = 45,646.86/x
3. Step 3: Cross multiply
   81,453.52x = 112,412.16 × 45,646.86
4. Step 4: Simplify right side
   81,453.52x = 5,131,262,129.82
5. Step 5: Solve for x
   x = 5,131,262,129.82/81,453.52
6. Step 6: Final answer
   x = 62,996.20