Finding the Fourth Proportional to 143,314.95, 215,003 and 48,541.81

Step by Step Solution

1. Step 1: Write the proportion equation
   143,314.95 : 215,003 = 48,541.81 : x
2. Step 2: Convert to fraction form
   143,314.95/215,003 = 48,541.81/x
3. Step 3: Cross multiply
   143,314.95x = 215,003 × 48,541.81
4. Step 4: Simplify right side
   143,314.95x = 10,436,634,775.43
5. Step 5: Solve for x
   x = 10,436,634,775.43/143,314.95
6. Step 6: Final answer
   x = 72,823.07