Finding the Fourth Proportional to 104,710.29, 157,064.72 and 42,379.89

Step by Step Solution

1. Step 1: Write the proportion equation
   104,710.29 : 157,064.72 = 42,379.89 : x
2. Step 2: Convert to fraction form
   104,710.29/157,064.72 = 42,379.89/x
3. Step 3: Cross multiply
   104,710.29x = 157,064.72 × 42,379.89
4. Step 4: Simplify right side
   104,710.29x = 6,656,385,344.58
5. Step 5: Solve for x
   x = 6,656,385,344.58/104,710.29
6. Step 6: Final answer
   x = 63,569.54