Finding the Fourth Proportional to 83,814.31, 115,663.17 and 45,573.91

Step by Step Solution

1. Step 1: Write the proportion equation
   83,814.31 : 115,663.17 = 45,573.91 : x
2. Step 2: Convert to fraction form
   83,814.31/115,663.17 = 45,573.91/x
3. Step 3: Cross multiply
   83,814.31x = 115,663.17 × 45,573.91
4. Step 4: Simplify right side
   83,814.31x = 5,271,222,781.64
5. Step 5: Solve for x
   x = 5,271,222,781.64/83,814.31
6. Step 6: Final answer
   x = 62,891.68