Finding the Fourth Proportional to 101,411.47, 139,935.40 and 56,083.33

Step by Step Solution

1. Step 1: Write the proportion equation
   101,411.47 : 139,935.40 = 56,083.33 : x
2. Step 2: Convert to fraction form
   101,411.47/139,935.40 = 56,083.33/x
3. Step 3: Cross multiply
   101,411.47x = 139,935.40 × 56,083.33
4. Step 4: Simplify right side
   101,411.47x = 7,848,043,216.88
5. Step 5: Solve for x
   x = 7,848,043,216.88/101,411.47
6. Step 6: Final answer
   x = 77,388.12