Finding the Fourth Proportional to 37,870.35, 52,241.86 and 28,902.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,870.35 : 52,241.86 = 28,902.28 : x
2. Step 2: Convert to fraction form
   37,870.35/52,241.86 = 28,902.28/x
3. Step 3: Cross multiply
   37,870.35x = 52,241.86 × 28,902.28
4. Step 4: Simplify right side
   37,870.35x = 1,509,908,865.44
5. Step 5: Solve for x
   x = 1,509,908,865.44/37,870.35
6. Step 6: Final answer
   x = 39,870.48