Finding the Fourth Proportional to 5,353,118, 7,387,309.52 and 2,905,727.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,353,118 : 7,387,309.52 = 2,905,727.72 : x
2. Step 2: Convert to fraction form
   5,353,118/7,387,309.52 = 2,905,727.72/x
3. Step 3: Cross multiply
   5,353,118x = 7,387,309.52 × 2,905,727.72
4. Step 4: Simplify right side
   5,353,118x = 21,465,510,048,483.89
5. Step 5: Solve for x
   x = 21,465,510,048,483.89/5,353,118
6. Step 6: Final answer
   x = 4,009,907.88