Finding the Fourth Proportional to 81,427.36, 112,368.72 and 45,616.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,427.36 : 112,368.72 = 45,616.72 : x
2. Step 2: Convert to fraction form
   81,427.36/112,368.72 = 45,616.72/x
3. Step 3: Cross multiply
   81,427.36x = 112,368.72 × 45,616.72
4. Step 4: Simplify right side
   81,427.36x = 5,125,892,437.00
5. Step 5: Solve for x
   x = 5,125,892,437.00/81,427.36
6. Step 6: Final answer
   x = 62,950.49