Finding the Fourth Proportional to 11,929.86, 17,900.52 and 4,914.99

Step by Step Solution

1. Step 1: Write the proportion equation
   11,929.86 : 17,900.52 = 4,914.99 : x
2. Step 2: Convert to fraction form
   11,929.86/17,900.52 = 4,914.99/x
3. Step 3: Cross multiply
   11,929.86x = 17,900.52 × 4,914.99
4. Step 4: Simplify right side
   11,929.86x = 87,980,876.79
5. Step 5: Solve for x
   x = 87,980,876.79/11,929.86
6. Step 6: Final answer
   x = 7,374.85