Finding the Fourth Proportional to 58,837.60, 81,196.42 and 31,980.16

Step by Step Solution

1. Step 1: Write the proportion equation
   58,837.60 : 81,196.42 = 31,980.16 : x
2. Step 2: Convert to fraction form
   58,837.60/81,196.42 = 31,980.16/x
3. Step 3: Cross multiply
   58,837.60x = 81,196.42 × 31,980.16
4. Step 4: Simplify right side
   58,837.60x = 2,596,674,503.03
5. Step 5: Solve for x
   x = 2,596,674,503.03/58,837.60
6. Step 6: Final answer
   x = 44,132.91