Finding the Fourth Proportional to 101,342.99, 139,851.27 and 56,022.89

Step by Step Solution

1. Step 1: Write the proportion equation
   101,342.99 : 139,851.27 = 56,022.89 : x
2. Step 2: Convert to fraction form
   101,342.99/139,851.27 = 56,022.89/x
3. Step 3: Cross multiply
   101,342.99x = 139,851.27 × 56,022.89
4. Step 4: Simplify right side
   101,342.99x = 7,834,871,616.31
5. Step 5: Solve for x
   x = 7,834,871,616.31/101,342.99
6. Step 6: Final answer
   x = 77,310.44