Finding the Fourth Proportional to 199,111.68, 274,782.72 and 113,068.92

Step by Step Solution

1. Step 1: Write the proportion equation
   199,111.68 : 274,782.72 = 113,068.92 : x
2. Step 2: Convert to fraction form
   199,111.68/274,782.72 = 113,068.92/x
3. Step 3: Cross multiply
   199,111.68x = 274,782.72 × 113,068.92
4. Step 4: Simplify right side
   199,111.68x = 31,069,385,385.06
5. Step 5: Solve for x
   x = 31,069,385,385.06/199,111.68
6. Step 6: Final answer
   x = 156,039.99