Finding the Fourth Proportional to 90,103.76, 135,152.88 and 37,511.92

Step by Step Solution

1. Step 1: Write the proportion equation
   90,103.76 : 135,152.88 = 37,511.92 : x
2. Step 2: Convert to fraction form
   90,103.76/135,152.88 = 37,511.92/x
3. Step 3: Cross multiply
   90,103.76x = 135,152.88 × 37,511.92
4. Step 4: Simplify right side
   90,103.76x = 5,069,844,022.33
5. Step 5: Solve for x
   x = 5,069,844,022.33/90,103.76
6. Step 6: Final answer
   x = 56,266.73