Finding the Fourth Proportional to 82,471.84, 123,597.60 and 42,946.08

Step by Step Solution

1. Step 1: Write the proportion equation
   82,471.84 : 123,597.60 = 42,946.08 : x
2. Step 2: Convert to fraction form
   82,471.84/123,597.60 = 42,946.08/x
3. Step 3: Cross multiply
   82,471.84x = 123,597.60 × 42,946.08
4. Step 4: Simplify right side
   82,471.84x = 5,308,032,417.41
5. Step 5: Solve for x
   x = 5,308,032,417.41/82,471.84
6. Step 6: Final answer
   x = 64,361.76