Finding the Fourth Proportional to 13,931.30, 19,225.52 and 7,558.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,931.30 : 19,225.52 = 7,558.16 : x
2. Step 2: Convert to fraction form
   13,931.30/19,225.52 = 7,558.16/x
3. Step 3: Cross multiply
   13,931.30x = 19,225.52 × 7,558.16
4. Step 4: Simplify right side
   13,931.30x = 145,309,522.63
5. Step 5: Solve for x
   x = 145,309,522.63/13,931.30
6. Step 6: Final answer
   x = 10,430.44