Finding the Fourth Proportional to 42,405.35, 63,670.80 and 23,722.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,405.35 : 63,670.80 = 23,722.70 : x
2. Step 2: Convert to fraction form
   42,405.35/63,670.80 = 23,722.70/x
3. Step 3: Cross multiply
   42,405.35x = 63,670.80 × 23,722.70
4. Step 4: Simplify right side
   42,405.35x = 1,510,443,287.16
5. Step 5: Solve for x
   x = 1,510,443,287.16/42,405.35
6. Step 6: Final answer
   x = 35,619.17