Finding the Fourth Proportional to 103,638.02, 143,018.88 and 60,627.02

Step by Step Solution

1. Step 1: Write the proportion equation
   103,638.02 : 143,018.88 = 60,627.02 : x
2. Step 2: Convert to fraction form
   103,638.02/143,018.88 = 60,627.02/x
3. Step 3: Cross multiply
   103,638.02x = 143,018.88 × 60,627.02
4. Step 4: Simplify right side
   103,638.02x = 8,670,808,498.14
5. Step 5: Solve for x
   x = 8,670,808,498.14/103,638.02
6. Step 6: Final answer
   x = 83,664.36