Finding the Fourth Proportional to 128,822.51, 177,693.27 and 93,065.06

Step by Step Solution

1. Step 1: Write the proportion equation
   128,822.51 : 177,693.27 = 93,065.06 : x
2. Step 2: Convert to fraction form
   128,822.51/177,693.27 = 93,065.06/x
3. Step 3: Cross multiply
   128,822.51x = 177,693.27 × 93,065.06
4. Step 4: Simplify right side
   128,822.51x = 16,537,034,834.15
5. Step 5: Solve for x
   x = 16,537,034,834.15/128,822.51
6. Step 6: Final answer
   x = 128,370.69