Finding the Fourth Proportional to 73,890.86, 101,970.06 and 42,061.82

Step by Step Solution

1. Step 1: Write the proportion equation
   73,890.86 : 101,970.06 = 42,061.82 : x
2. Step 2: Convert to fraction form
   73,890.86/101,970.06 = 42,061.82/x
3. Step 3: Cross multiply
   73,890.86x = 101,970.06 × 42,061.82
4. Step 4: Simplify right side
   73,890.86x = 4,289,046,309.11
5. Step 5: Solve for x
   x = 4,289,046,309.11/73,890.86
6. Step 6: Final answer
   x = 58,045.69