Finding the Fourth Proportional to 191,978.47, 264,937.50 and 107,111.92

Step by Step Solution

1. Step 1: Write the proportion equation
   191,978.47 : 264,937.50 = 107,111.92 : x
2. Step 2: Convert to fraction form
   191,978.47/264,937.50 = 107,111.92/x
3. Step 3: Cross multiply
   191,978.47x = 264,937.50 × 107,111.92
4. Step 4: Simplify right side
   191,978.47x = 28,377,964,305
5. Step 5: Solve for x
   x = 28,377,964,305/191,978.47
6. Step 6: Final answer
   x = 147,818.47