Finding the Fourth Proportional to 69,364, 95,705.61 and 42,139.29

Step by Step Solution

1. Step 1: Write the proportion equation
   69,364 : 95,705.61 = 42,139.29 : x
2. Step 2: Convert to fraction form
   69,364/95,705.61 = 42,139.29/x
3. Step 3: Cross multiply
   69,364x = 95,705.61 × 42,139.29
4. Step 4: Simplify right side
   69,364x = 4,032,966,454.42
5. Step 5: Solve for x
   x = 4,032,966,454.42/69,364
6. Step 6: Final answer
   x = 58,142.07