Finding the Fourth Proportional to 81,408.80, 112,342.83 and 45,598.70

Step by Step Solution

1. Step 1: Write the proportion equation
   81,408.80 : 112,342.83 = 45,598.70 : x
2. Step 2: Convert to fraction form
   81,408.80/112,342.83 = 45,598.70/x
3. Step 3: Cross multiply
   81,408.80x = 112,342.83 × 45,598.70
4. Step 4: Simplify right side
   81,408.80x = 5,122,687,002.32
5. Step 5: Solve for x
   x = 5,122,687,002.32/81,408.80
6. Step 6: Final answer
   x = 62,925.47