Finding the Fourth Proportional to 68,089, 93,962.82 and 56,108.20

Step by Step Solution

1. Step 1: Write the proportion equation
   68,089 : 93,962.82 = 56,108.20 : x
2. Step 2: Convert to fraction form
   68,089/93,962.82 = 56,108.20/x
3. Step 3: Cross multiply
   68,089x = 93,962.82 × 56,108.20
4. Step 4: Simplify right side
   68,089x = 5,272,084,697.12
5. Step 5: Solve for x
   x = 5,272,084,697.12/68,089
6. Step 6: Final answer
   x = 77,429.32