Finding the Fourth Proportional to 103,377.78, 142,715.52 and 69,564.06

Step by Step Solution

1. Step 1: Write the proportion equation
   103,377.78 : 142,715.52 = 69,564.06 : x
2. Step 2: Convert to fraction form
   103,377.78/142,715.52 = 69,564.06/x
3. Step 3: Cross multiply
   103,377.78x = 142,715.52 × 69,564.06
4. Step 4: Simplify right side
   103,377.78x = 9,927,870,996.21
5. Step 5: Solve for x
   x = 9,927,870,996.21/103,377.78
6. Step 6: Final answer
   x = 96,034.86