Finding the Fourth Proportional to 100,887.62, 139,101.56 and 63,096.26

Step by Step Solution

1. Step 1: Write the proportion equation
   100,887.62 : 139,101.56 = 63,096.26 : x
2. Step 2: Convert to fraction form
   100,887.62/139,101.56 = 63,096.26/x
3. Step 3: Cross multiply
   100,887.62x = 139,101.56 × 63,096.26
4. Step 4: Simplify right side
   100,887.62x = 8,776,788,196.17
5. Step 5: Solve for x
   x = 8,776,788,196.17/100,887.62
6. Step 6: Final answer
   x = 86,995.69