Finding the Fourth Proportional to 191,978.16, 264,937.14 and 107,111.76

Step by Step Solution

1. Step 1: Write the proportion equation
   191,978.16 : 264,937.14 = 107,111.76 : x
2. Step 2: Convert to fraction form
   191,978.16/264,937.14 = 107,111.76/x
3. Step 3: Cross multiply
   191,978.16x = 264,937.14 × 107,111.76
4. Step 4: Simplify right side
   191,978.16x = 28,377,883,354.77
5. Step 5: Solve for x
   x = 28,377,883,354.77/191,978.16
6. Step 6: Final answer
   x = 147,818.29