Finding the Fourth Proportional to 90,503.32, 135,748.15 and 37,180.77

Step by Step Solution

1. Step 1: Write the proportion equation
   90,503.32 : 135,748.15 = 37,180.77 : x
2. Step 2: Convert to fraction form
   90,503.32/135,748.15 = 37,180.77/x
3. Step 3: Cross multiply
   90,503.32x = 135,748.15 × 37,180.77
4. Step 4: Simplify right side
   90,503.32x = 5,047,220,557.17
5. Step 5: Solve for x
   x = 5,047,220,557.17/90,503.32
6. Step 6: Final answer
   x = 55,768.35