Finding the Fourth Proportional to 58,071.18, 86,990.12 and 49,148.22

Step by Step Solution

1. Step 1: Write the proportion equation
   58,071.18 : 86,990.12 = 49,148.22 : x
2. Step 2: Convert to fraction form
   58,071.18/86,990.12 = 49,148.22/x
3. Step 3: Cross multiply
   58,071.18x = 86,990.12 × 49,148.22
4. Step 4: Simplify right side
   58,071.18x = 4,275,409,555.59
5. Step 5: Solve for x
   x = 4,275,409,555.59/58,071.18
6. Step 6: Final answer
   x = 73,623.60