Finding the Fourth Proportional to 13,801.95, 19,047.28 and 7,834.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,801.95 : 19,047.28 = 7,834.18 : x
2. Step 2: Convert to fraction form
   13,801.95/19,047.28 = 7,834.18/x
3. Step 3: Cross multiply
   13,801.95x = 19,047.28 × 7,834.18
4. Step 4: Simplify right side
   13,801.95x = 149,219,752.83
5. Step 5: Solve for x
   x = 149,219,752.83/13,801.95
6. Step 6: Final answer
   x = 10,811.50