Finding the Fourth Proportional to 32,980.96, 49,482.38 and 21,931.15

Step by Step Solution

1. Step 1: Write the proportion equation
   32,980.96 : 49,482.38 = 21,931.15 : x
2. Step 2: Convert to fraction form
   32,980.96/49,482.38 = 21,931.15/x
3. Step 3: Cross multiply
   32,980.96x = 49,482.38 × 21,931.15
4. Step 4: Simplify right side
   32,980.96x = 1,085,205,141.07
5. Step 5: Solve for x
   x = 1,085,205,141.07/32,980.96
6. Step 6: Final answer
   x = 32,903.99