Finding the Fourth Proportional to 199,847.53, 275,787.50 and 112,624.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,847.53 : 275,787.50 = 112,624.50 : x
2. Step 2: Convert to fraction form
   199,847.53/275,787.50 = 112,624.50/x
3. Step 3: Cross multiply
   199,847.53x = 275,787.50 × 112,624.50
4. Step 4: Simplify right side
   199,847.53x = 31,060,429,575.31
5. Step 5: Solve for x
   x = 31,060,429,575.31/199,847.53
6. Step 6: Final answer
   x = 155,420.63