Finding the Fourth Proportional to 101,196.16, 139,643.49 and 55,866.82

Step by Step Solution

1. Step 1: Write the proportion equation
   101,196.16 : 139,643.49 = 55,866.82 : x
2. Step 2: Convert to fraction form
   101,196.16/139,643.49 = 55,866.82/x
3. Step 3: Cross multiply
   101,196.16x = 139,643.49 × 55,866.82
4. Step 4: Simplify right side
   101,196.16x = 7,801,437,720.00
5. Step 5: Solve for x
   x = 7,801,437,720.00/101,196.16
6. Step 6: Final answer
   x = 77,092.23