Finding the Fourth Proportional to 82,312.61, 123,466.16 and 34,897.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,312.61 : 123,466.16 = 34,897.20 : x
2. Step 2: Convert to fraction form
   82,312.61/123,466.16 = 34,897.20/x
3. Step 3: Cross multiply
   82,312.61x = 123,466.16 × 34,897.20
4. Step 4: Simplify right side
   82,312.61x = 4,308,623,104.27
5. Step 5: Solve for x
   x = 4,308,623,104.27/82,312.61
6. Step 6: Final answer
   x = 52,344.63