Finding the Fourth Proportional to 82,106.88, 123,046.40 and 46,972.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,106.88 : 123,046.40 = 46,972.16 : x
2. Step 2: Convert to fraction form
   82,106.88/123,046.40 = 46,972.16/x
3. Step 3: Cross multiply
   82,106.88x = 123,046.40 × 46,972.16
4. Step 4: Simplify right side
   82,106.88x = 5,779,755,188.22
5. Step 5: Solve for x
   x = 5,779,755,188.22/82,106.88
6. Step 6: Final answer
   x = 70,393.07