Finding the Fourth Proportional to 90,510.82, 135,737.43 and 37,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,510.82 : 135,737.43 = 37,910.50 : x
2. Step 2: Convert to fraction form
   90,510.82/135,737.43 = 37,910.50/x
3. Step 3: Cross multiply
   90,510.82x = 135,737.43 × 37,910.50
4. Step 4: Simplify right side
   90,510.82x = 5,145,873,840.02
5. Step 5: Solve for x
   x = 5,145,873,840.02/90,510.82
6. Step 6: Final answer
   x = 56,853.69