Finding the Fourth Proportional to 69,099.22, 103,642.86 and 42,074.56

Step by Step Solution

1. Step 1: Write the proportion equation
   69,099.22 : 103,642.86 = 42,074.56 : x
2. Step 2: Convert to fraction form
   69,099.22/103,642.86 = 42,074.56/x
3. Step 3: Cross multiply
   69,099.22x = 103,642.86 × 42,074.56
4. Step 4: Simplify right side
   69,099.22x = 4,360,727,731.64
5. Step 5: Solve for x
   x = 4,360,727,731.64/69,099.22
6. Step 6: Final answer
   x = 63,108.20