Finding the Fourth Proportional to 48,300.86, 72,443.09 and 12,762.59

Step by Step Solution

1. Step 1: Write the proportion equation
   48,300.86 : 72,443.09 = 12,762.59 : x
2. Step 2: Convert to fraction form
   48,300.86/72,443.09 = 12,762.59/x
3. Step 3: Cross multiply
   48,300.86x = 72,443.09 × 12,762.59
4. Step 4: Simplify right side
   48,300.86x = 924,561,029.97
5. Step 5: Solve for x
   x = 924,561,029.97/48,300.86
6. Step 6: Final answer
   x = 19,141.71