Finding the Fourth Proportional to 312,419.57, 468,532.49 and 112,714.01

Step by Step Solution

1. Step 1: Write the proportion equation
   312,419.57 : 468,532.49 = 112,714.01 : x
2. Step 2: Convert to fraction form
   312,419.57/468,532.49 = 112,714.01/x
3. Step 3: Cross multiply
   312,419.57x = 468,532.49 × 112,714.01
4. Step 4: Simplify right side
   312,419.57x = 52,810,173,702.31
5. Step 5: Solve for x
   x = 52,810,173,702.31/312,419.57
6. Step 6: Final answer
   x = 169,036.06