Finding the Fourth Proportional to 69,457.59, 104,244.72 and 55,694.07

Step by Step Solution

1. Step 1: Write the proportion equation
   69,457.59 : 104,244.72 = 55,694.07 : x
2. Step 2: Convert to fraction form
   69,457.59/104,244.72 = 55,694.07/x
3. Step 3: Cross multiply
   69,457.59x = 104,244.72 × 55,694.07
4. Step 4: Simplify right side
   69,457.59x = 5,805,812,732.81
5. Step 5: Solve for x
   x = 5,805,812,732.81/69,457.59
6. Step 6: Final answer
   x = 83,587.88