Finding the Fourth Proportional to 81,164.48, 112,004.84 and 45,354.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,164.48 : 112,004.84 = 45,354.72 : x
2. Step 2: Convert to fraction form
   81,164.48/112,004.84 = 45,354.72/x
3. Step 3: Cross multiply
   81,164.48x = 112,004.84 × 45,354.72
4. Step 4: Simplify right side
   81,164.48x = 5,079,948,156.84
5. Step 5: Solve for x
   x = 5,079,948,156.84/81,164.48
6. Step 6: Final answer
   x = 62,588.32