Finding the Fourth Proportional to 69,496.76, 104,389.56 and 56,184.80

Step by Step Solution

1. Step 1: Write the proportion equation
   69,496.76 : 104,389.56 = 56,184.80 : x
2. Step 2: Convert to fraction form
   69,496.76/104,389.56 = 56,184.80/x
3. Step 3: Cross multiply
   69,496.76x = 104,389.56 × 56,184.80
4. Step 4: Simplify right side
   69,496.76x = 5,865,106,550.69
5. Step 5: Solve for x
   x = 5,865,106,550.69/69,496.76
6. Step 6: Final answer
   x = 84,393.96