Finding the Fourth Proportional to 69,159.42, 103,810.21 and 35,870.55

Step by Step Solution

1. Step 1: Write the proportion equation
   69,159.42 : 103,810.21 = 35,870.55 : x
2. Step 2: Convert to fraction form
   69,159.42/103,810.21 = 35,870.55/x
3. Step 3: Cross multiply
   69,159.42x = 103,810.21 × 35,870.55
4. Step 4: Simplify right side
   69,159.42x = 3,723,728,849.35
5. Step 5: Solve for x
   x = 3,723,728,849.35/69,159.42
6. Step 6: Final answer
   x = 53,842.68