Finding the Fourth Proportional to 101,104.84, 139,526.12 and 55,784.80

Step by Step Solution

1. Step 1: Write the proportion equation
   101,104.84 : 139,526.12 = 55,784.80 : x
2. Step 2: Convert to fraction form
   101,104.84/139,526.12 = 55,784.80/x
3. Step 3: Cross multiply
   101,104.84x = 139,526.12 × 55,784.80
4. Step 4: Simplify right side
   101,104.84x = 7,783,436,698.98
5. Step 5: Solve for x
   x = 7,783,436,698.98/101,104.84
6. Step 6: Final answer
   x = 76,983.82