Finding the Fourth Proportional to 120,848, 181,225.72 and 39,776

Step by Step Solution

1. Step 1: Write the proportion equation
   120,848 : 181,225.72 = 39,776 : x
2. Step 2: Convert to fraction form
   120,848/181,225.72 = 39,776/x
3. Step 3: Cross multiply
   120,848x = 181,225.72 × 39,776
4. Step 4: Simplify right side
   120,848x = 7,208,434,238.72
5. Step 5: Solve for x
   x = 7,208,434,238.72/120,848
6. Step 6: Final answer
   x = 59,648.77