Finding the Fourth Proportional to 14,100.60, 19,458.54 and 7,812.84

Step by Step Solution

1. Step 1: Write the proportion equation
   14,100.60 : 19,458.54 = 7,812.84 : x
2. Step 2: Convert to fraction form
   14,100.60/19,458.54 = 7,812.84/x
3. Step 3: Cross multiply
   14,100.60x = 19,458.54 × 7,812.84
4. Step 4: Simplify right side
   14,100.60x = 152,026,459.65
5. Step 5: Solve for x
   x = 152,026,459.65/14,100.60
6. Step 6: Final answer
   x = 10,781.56