Finding the Fourth Proportional to 82,347, 123,685.80 and 49,131.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,347 : 123,685.80 = 49,131.88 : x
2. Step 2: Convert to fraction form
   82,347/123,685.80 = 49,131.88/x
3. Step 3: Cross multiply
   82,347x = 123,685.80 × 49,131.88
4. Step 4: Simplify right side
   82,347x = 6,076,915,883.30
5. Step 5: Solve for x
   x = 6,076,915,883.30/82,347
6. Step 6: Final answer
   x = 73,796.45