Finding the Fourth Proportional to 10,118.02, 13,962.21 and 5,641.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.02 : 13,962.21 = 5,641.51 : x
2. Step 2: Convert to fraction form
   10,118.02/13,962.21 = 5,641.51/x
3. Step 3: Cross multiply
   10,118.02x = 13,962.21 × 5,641.51
4. Step 4: Simplify right side
   10,118.02x = 78,767,947.34
5. Step 5: Solve for x
   x = 78,767,947.34/10,118.02
6. Step 6: Final answer
   x = 7,784.92