Finding the Fourth Proportional to 93,036.72, 139,555.48 and 28,995.68

Step by Step Solution

1. Step 1: Write the proportion equation
   93,036.72 : 139,555.48 = 28,995.68 : x
2. Step 2: Convert to fraction form
   93,036.72/139,555.48 = 28,995.68/x
3. Step 3: Cross multiply
   93,036.72x = 139,555.48 × 28,995.68
4. Step 4: Simplify right side
   93,036.72x = 4,046,506,040.33
5. Step 5: Solve for x
   x = 4,046,506,040.33/93,036.72
6. Step 6: Final answer
   x = 43,493.64