Finding the Fourth Proportional to 103,427.17, 142,744.89 and 63,164.29

Step by Step Solution

1. Step 1: Write the proportion equation
   103,427.17 : 142,744.89 = 63,164.29 : x
2. Step 2: Convert to fraction form
   103,427.17/142,744.89 = 63,164.29/x
3. Step 3: Cross multiply
   103,427.17x = 142,744.89 × 63,164.29
4. Step 4: Simplify right side
   103,427.17x = 9,016,379,627.98
5. Step 5: Solve for x
   x = 9,016,379,627.98/103,427.17
6. Step 6: Final answer
   x = 87,176.12