Finding the Fourth Proportional to 76,886.74, 106,085.59 and 46,671.31

Step by Step Solution

1. Step 1: Write the proportion equation
   76,886.74 : 106,085.59 = 46,671.31 : x
2. Step 2: Convert to fraction form
   76,886.74/106,085.59 = 46,671.31/x
3. Step 3: Cross multiply
   76,886.74x = 106,085.59 × 46,671.31
4. Step 4: Simplify right side
   76,886.74x = 4,951,153,457.42
5. Step 5: Solve for x
   x = 4,951,153,457.42/76,886.74
6. Step 6: Final answer
   x = 64,395.41