Finding the Fourth Proportional to 5,523,111.55, 7,617,967.61 and 3,686,643.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,523,111.55 : 7,617,967.61 = 3,686,643.91 : x
2. Step 2: Convert to fraction form
   5,523,111.55/7,617,967.61 = 3,686,643.91/x
3. Step 3: Cross multiply
   5,523,111.55x = 7,617,967.61 × 3,686,643.91
4. Step 4: Simplify right side
   5,523,111.55x = 28,084,733,895,983.76
5. Step 5: Solve for x
   x = 28,084,733,895,983.76/5,523,111.55
6. Step 6: Final answer
   x = 5,084,947.79