Finding the Fourth Proportional to 121,562.79, 182,362.37 and 42,663.15

Step by Step Solution

1. Step 1: Write the proportion equation
   121,562.79 : 182,362.37 = 42,663.15 : x
2. Step 2: Convert to fraction form
   121,562.79/182,362.37 = 42,663.15/x
3. Step 3: Cross multiply
   121,562.79x = 182,362.37 × 42,663.15
4. Step 4: Simplify right side
   121,562.79x = 7,780,152,932.35
5. Step 5: Solve for x
   x = 7,780,152,932.35/121,562.79
6. Step 6: Final answer
   x = 64,001.11