Finding the Fourth Proportional to 102,658, 141,668.04 and 55,554

Step by Step Solution

1. Step 1: Write the proportion equation
   102,658 : 141,668.04 = 55,554 : x
2. Step 2: Convert to fraction form
   102,658/141,668.04 = 55,554/x
3. Step 3: Cross multiply
   102,658x = 141,668.04 × 55,554
4. Step 4: Simplify right side
   102,658x = 7,870,226,294.16
5. Step 5: Solve for x
   x = 7,870,226,294.16/102,658
6. Step 6: Final answer
   x = 76,664.52