Finding the Fourth Proportional to 58,838.32, 81,196.98 and 31,980.75

Step by Step Solution

1. Step 1: Write the proportion equation
   58,838.32 : 81,196.98 = 31,980.75 : x
2. Step 2: Convert to fraction form
   58,838.32/81,196.98 = 31,980.75/x
3. Step 3: Cross multiply
   58,838.32x = 81,196.98 × 31,980.75
4. Step 4: Simplify right side
   58,838.32x = 2,596,740,530.34
5. Step 5: Solve for x
   x = 2,596,740,530.34/58,838.32
6. Step 6: Final answer
   x = 44,133.49