Finding the Fourth Proportional to 74,835.40, 103,290.59 and 43,022.79

Step by Step Solution

1. Step 1: Write the proportion equation
   74,835.40 : 103,290.59 = 43,022.79 : x
2. Step 2: Convert to fraction form
   74,835.40/103,290.59 = 43,022.79/x
3. Step 3: Cross multiply
   74,835.40x = 103,290.59 × 43,022.79
4. Step 4: Simplify right side
   74,835.40x = 4,443,849,362.55
5. Step 5: Solve for x
   x = 4,443,849,362.55/74,835.40
6. Step 6: Final answer
   x = 59,381.65