Finding the Fourth Proportional to 3,684,902.50, 5,526,238.37 and 1,288,300.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,684,902.50 : 5,526,238.37 = 1,288,300.42 : x
2. Step 2: Convert to fraction form
   3,684,902.50/5,526,238.37 = 1,288,300.42/x
3. Step 3: Cross multiply
   3,684,902.50x = 5,526,238.37 × 1,288,300.42
4. Step 4: Simplify right side
   3,684,902.50x = 7,119,455,185,459.92
5. Step 5: Solve for x
   x = 7,119,455,185,459.92/3,684,902.50
6. Step 6: Final answer
   x = 1,932,060.67