Finding the Fourth Proportional to 82,780.88, 114,238.32 and 46,970.96

Step by Step Solution

1. Step 1: Write the proportion equation
   82,780.88 : 114,238.32 = 46,970.96 : x
2. Step 2: Convert to fraction form
   82,780.88/114,238.32 = 46,970.96/x
3. Step 3: Cross multiply
   82,780.88x = 114,238.32 × 46,970.96
4. Step 4: Simplify right side
   82,780.88x = 5,365,883,559.19
5. Step 5: Solve for x
   x = 5,365,883,559.19/82,780.88
6. Step 6: Final answer
   x = 64,820.33