Finding the Fourth Proportional to 69,113.12, 103,651.16 and 42,624.09

Step by Step Solution

1. Step 1: Write the proportion equation
   69,113.12 : 103,651.16 = 42,624.09 : x
2. Step 2: Convert to fraction form
   69,113.12/103,651.16 = 42,624.09/x
3. Step 3: Cross multiply
   69,113.12x = 103,651.16 × 42,624.09
4. Step 4: Simplify right side
   69,113.12x = 4,418,036,159.32
5. Step 5: Solve for x
   x = 4,418,036,159.32/69,113.12
6. Step 6: Final answer
   x = 63,924.71