Finding the Fourth Proportional to 101,435.48, 139,936.82 and 61,126.34

Step by Step Solution

1. Step 1: Write the proportion equation
   101,435.48 : 139,936.82 = 61,126.34 : x
2. Step 2: Convert to fraction form
   101,435.48/139,936.82 = 61,126.34/x
3. Step 3: Cross multiply
   101,435.48x = 139,936.82 × 61,126.34
4. Step 4: Simplify right side
   101,435.48x = 8,553,824,632.52
5. Step 5: Solve for x
   x = 8,553,824,632.52/101,435.48
6. Step 6: Final answer
   x = 84,327.74