Finding the Fourth Proportional to 74,229, 111,064.50 and 52,085.58

Step by Step Solution

1. Step 1: Write the proportion equation
   74,229 : 111,064.50 = 52,085.58 : x
2. Step 2: Convert to fraction form
   74,229/111,064.50 = 52,085.58/x
3. Step 3: Cross multiply
   74,229x = 111,064.50 × 52,085.58
4. Step 4: Simplify right side
   74,229x = 5,784,858,899.91
5. Step 5: Solve for x
   x = 5,784,858,899.91/74,229
6. Step 6: Final answer
   x = 77,932.60