Finding the Fourth Proportional to 58,842.18, 81,220.78 and 37,621.53

Step by Step Solution

1. Step 1: Write the proportion equation
   58,842.18 : 81,220.78 = 37,621.53 : x
2. Step 2: Convert to fraction form
   58,842.18/81,220.78 = 37,621.53/x
3. Step 3: Cross multiply
   58,842.18x = 81,220.78 × 37,621.53
4. Step 4: Simplify right side
   58,842.18x = 3,055,650,011.39
5. Step 5: Solve for x
   x = 3,055,650,011.39/58,842.18
6. Step 6: Final answer
   x = 51,929.59