Finding the Fourth Proportional to 81,518.00, 112,493.40 and 45,707.90

Step by Step Solution

1. Step 1: Write the proportion equation
   81,518.00 : 112,493.40 = 45,707.90 : x
2. Step 2: Convert to fraction form
   81,518.00/112,493.40 = 45,707.90/x
3. Step 3: Cross multiply
   81,518.00x = 112,493.40 × 45,707.90
4. Step 4: Simplify right side
   81,518.00x = 5,141,836,515.39
5. Step 5: Solve for x
   x = 5,141,836,515.39/81,518.00
6. Step 6: Final answer
   x = 63,076.09