Finding the Fourth Proportional to 82,510.63, 123,783.92 and 46,988.75

Step by Step Solution

1. Step 1: Write the proportion equation
   82,510.63 : 123,783.92 = 46,988.75 : x
2. Step 2: Convert to fraction form
   82,510.63/123,783.92 = 46,988.75/x
3. Step 3: Cross multiply
   82,510.63x = 123,783.92 × 46,988.75
4. Step 4: Simplify right side
   82,510.63x = 5,816,451,670.90
5. Step 5: Solve for x
   x = 5,816,451,670.90/82,510.63
6. Step 6: Final answer
   x = 70,493.36