Finding the Fourth Proportional to 21,901.15, 32,856.89 and 7,108.93

Step by Step Solution

1. Step 1: Write the proportion equation
   21,901.15 : 32,856.89 = 7,108.93 : x
2. Step 2: Convert to fraction form
   21,901.15/32,856.89 = 7,108.93/x
3. Step 3: Cross multiply
   21,901.15x = 32,856.89 × 7,108.93
4. Step 4: Simplify right side
   21,901.15x = 233,577,213.34
5. Step 5: Solve for x
   x = 233,577,213.34/21,901.15
6. Step 6: Final answer
   x = 10,665.07