Finding the Fourth Proportional to 90,714.42, 136,085.76 and 46,317.15

Step by Step Solution

1. Step 1: Write the proportion equation
   90,714.42 : 136,085.76 = 46,317.15 : x
2. Step 2: Convert to fraction form
   90,714.42/136,085.76 = 46,317.15/x
3. Step 3: Cross multiply
   90,714.42x = 136,085.76 × 46,317.15
4. Step 4: Simplify right side
   90,714.42x = 6,303,104,558.78
5. Step 5: Solve for x
   x = 6,303,104,558.78/90,714.42
6. Step 6: Final answer
   x = 69,482.94