Finding the Fourth Proportional to 103,196.52, 142,303.06 and 76,395.24

Step by Step Solution

1. Step 1: Write the proportion equation
   103,196.52 : 142,303.06 = 76,395.24 : x
2. Step 2: Convert to fraction form
   103,196.52/142,303.06 = 76,395.24/x
3. Step 3: Cross multiply
   103,196.52x = 142,303.06 × 76,395.24
4. Step 4: Simplify right side
   103,196.52x = 10,871,276,421.43
5. Step 5: Solve for x
   x = 10,871,276,421.43/103,196.52
6. Step 6: Final answer
   x = 105,345.38