Finding the Fourth Proportional to 136,624.50, 188,575.61 and 93,089.06

Step by Step Solution

1. Step 1: Write the proportion equation
   136,624.50 : 188,575.61 = 93,089.06 : x
2. Step 2: Convert to fraction form
   136,624.50/188,575.61 = 93,089.06/x
3. Step 3: Cross multiply
   136,624.50x = 188,575.61 × 93,089.06
4. Step 4: Simplify right side
   136,624.50x = 17,554,326,273.83
5. Step 5: Solve for x
   x = 17,554,326,273.83/136,624.50
6. Step 6: Final answer
   x = 128,485.93