Finding the Fourth Proportional to 110,666.39, 152,537.51 and 78,411.83

Step by Step Solution

1. Step 1: Write the proportion equation
   110,666.39 : 152,537.51 = 78,411.83 : x
2. Step 2: Convert to fraction form
   110,666.39/152,537.51 = 78,411.83/x
3. Step 3: Cross multiply
   110,666.39x = 152,537.51 × 78,411.83
4. Step 4: Simplify right side
   110,666.39x = 11,960,744,736.09
5. Step 5: Solve for x
   x = 11,960,744,736.09/110,666.39
6. Step 6: Final answer
   x = 108,079.29