Finding the Fourth Proportional to 93,063.32, 128,417.46 and 54,820.61

Step by Step Solution

1. Step 1: Write the proportion equation
   93,063.32 : 128,417.46 = 54,820.61 : x
2. Step 2: Convert to fraction form
   93,063.32/128,417.46 = 54,820.61/x
3. Step 3: Cross multiply
   93,063.32x = 128,417.46 × 54,820.61
4. Step 4: Simplify right side
   93,063.32x = 7,039,923,491.85
5. Step 5: Solve for x
   x = 7,039,923,491.85/93,063.32
6. Step 6: Final answer
   x = 75,646.60