Finding the Fourth Proportional to 101,293.67, 139,783.34 and 55,970.69

Step by Step Solution

1. Step 1: Write the proportion equation
   101,293.67 : 139,783.34 = 55,970.69 : x
2. Step 2: Convert to fraction form
   101,293.67/139,783.34 = 55,970.69/x
3. Step 3: Cross multiply
   101,293.67x = 139,783.34 × 55,970.69
4. Step 4: Simplify right side
   101,293.67x = 7,823,769,431.31
5. Step 5: Solve for x
   x = 7,823,769,431.31/101,293.67
6. Step 6: Final answer
   x = 77,238.48