Finding the Fourth Proportional to 58,555.53, 80,787.69 and 35,870.85

Step by Step Solution

1. Step 1: Write the proportion equation
   58,555.53 : 80,787.69 = 35,870.85 : x
2. Step 2: Convert to fraction form
   58,555.53/80,787.69 = 35,870.85/x
3. Step 3: Cross multiply
   58,555.53x = 80,787.69 × 35,870.85
4. Step 4: Simplify right side
   58,555.53x = 2,897,923,109.84
5. Step 5: Solve for x
   x = 2,897,923,109.84/58,555.53
6. Step 6: Final answer
   x = 49,490.17