Finding the Fourth Proportional to 81,173.99, 112,019.76 and 45,363.98

Step by Step Solution

1. Step 1: Write the proportion equation
   81,173.99 : 112,019.76 = 45,363.98 : x
2. Step 2: Convert to fraction form
   81,173.99/112,019.76 = 45,363.98/x
3. Step 3: Cross multiply
   81,173.99x = 112,019.76 × 45,363.98
4. Step 4: Simplify right side
   81,173.99x = 5,081,661,592.15
5. Step 5: Solve for x
   x = 5,081,661,592.15/81,173.99
6. Step 6: Final answer
   x = 62,602.10