Finding the Fourth Proportional to 19,931.31, 29,889.90 and 5,887.62

Step by Step Solution

1. Step 1: Write the proportion equation
   19,931.31 : 29,889.90 = 5,887.62 : x
2. Step 2: Convert to fraction form
   19,931.31/29,889.90 = 5,887.62/x
3. Step 3: Cross multiply
   19,931.31x = 29,889.90 × 5,887.62
4. Step 4: Simplify right side
   19,931.31x = 175,980,373.04
5. Step 5: Solve for x
   x = 175,980,373.04/19,931.31
6. Step 6: Final answer
   x = 8,829.34