Finding the Fourth Proportional to 103,401.09, 142,689.74 and 63,182.16

Step by Step Solution

1. Step 1: Write the proportion equation
   103,401.09 : 142,689.74 = 63,182.16 : x
2. Step 2: Convert to fraction form
   103,401.09/142,689.74 = 63,182.16/x
3. Step 3: Cross multiply
   103,401.09x = 142,689.74 × 63,182.16
4. Step 4: Simplify right side
   103,401.09x = 9,015,445,667.13
5. Step 5: Solve for x
   x = 9,015,445,667.13/103,401.09
6. Step 6: Final answer
   x = 87,189.08