Finding the Fourth Proportional to 191,322.76, 264,389.55 and 143,493.07

Step by Step Solution

1. Step 1: Write the proportion equation
   191,322.76 : 264,389.55 = 143,493.07 : x
2. Step 2: Convert to fraction form
   191,322.76/264,389.55 = 143,493.07/x
3. Step 3: Cross multiply
   191,322.76x = 264,389.55 × 143,493.07
4. Step 4: Simplify right side
   191,322.76x = 37,938,068,309.22
5. Step 5: Solve for x
   x = 37,938,068,309.22/191,322.76
6. Step 6: Final answer
   x = 198,293.55