Finding the Fourth Proportional to 100,982.33, 139,356.59 and 55,662.08

Step by Step Solution

1. Step 1: Write the proportion equation
   100,982.33 : 139,356.59 = 55,662.08 : x
2. Step 2: Convert to fraction form
   100,982.33/139,356.59 = 55,662.08/x
3. Step 3: Cross multiply
   100,982.33x = 139,356.59 × 55,662.08
4. Step 4: Simplify right side
   100,982.33x = 7,756,877,731.19
5. Step 5: Solve for x
   x = 7,756,877,731.19/100,982.33
6. Step 6: Final answer
   x = 76,814.21