Finding the Fourth Proportional to 59,364.07, 89,055.83 and 28,188.79

Step by Step Solution

1. Step 1: Write the proportion equation
   59,364.07 : 89,055.83 = 28,188.79 : x
2. Step 2: Convert to fraction form
   59,364.07/89,055.83 = 28,188.79/x
3. Step 3: Cross multiply
   59,364.07x = 89,055.83 × 28,188.79
4. Step 4: Simplify right side
   59,364.07x = 2,510,376,090.15
5. Step 5: Solve for x
   x = 2,510,376,090.15/59,364.07
6. Step 6: Final answer
   x = 42,287.80