Finding the Fourth Proportional to 81,333.30, 112,239.91 and 45,523.30

Step by Step Solution

1. Step 1: Write the proportion equation
   81,333.30 : 112,239.91 = 45,523.30 : x
2. Step 2: Convert to fraction form
   81,333.30/112,239.91 = 45,523.30/x
3. Step 3: Cross multiply
   81,333.30x = 112,239.91 × 45,523.30
4. Step 4: Simplify right side
   81,333.30x = 5,109,531,094.90
5. Step 5: Solve for x
   x = 5,109,531,094.90/81,333.30
6. Step 6: Final answer
   x = 62,822.13