Finding the Fourth Proportional to 42,001.35, 58,879.65 and 42,001.35

Step by Step Solution

1. Step 1: Write the proportion equation
   42,001.35 : 58,879.65 = 42,001.35 : x
2. Step 2: Convert to fraction form
   42,001.35/58,879.65 = 42,001.35/x
3. Step 3: Cross multiply
   42,001.35x = 58,879.65 × 42,001.35
4. Step 4: Simplify right side
   42,001.35x = 2,473,024,787.53
5. Step 5: Solve for x
   x = 2,473,024,787.53/42,001.35
6. Step 6: Final answer
   x = 58,879.65