Finding the Fourth Proportional to 123,499,365.30, 185,305,618.93 and 53,491,006.62

Step by Step Solution

1. Step 1: Write the proportion equation
   123,499,365.30 : 185,305,618.93 = 53,491,006.62 : x
2. Step 2: Convert to fraction form
   123,499,365.30/185,305,618.93 = 53,491,006.62/x
3. Step 3: Cross multiply
   123,499,365.30x = 185,305,618.93 × 53,491,006.62
4. Step 4: Simplify right side
   123,499,365.30x = 9,912,184,088,907,828
5. Step 5: Solve for x
   x = 9,912,184,088,907,828/123,499,365.30
6. Step 6: Final answer
   x = 80,261,012.39