Finding the Fourth Proportional to 2,153,500.15, 2,971,962.84 and 1,186,630.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,500.15 : 2,971,962.84 = 1,186,630.27 : x
2. Step 2: Convert to fraction form
   2,153,500.15/2,971,962.84 = 1,186,630.27/x
3. Step 3: Cross multiply
   2,153,500.15x = 2,971,962.84 × 1,186,630.27
4. Step 4: Simplify right side
   2,153,500.15x = 3,526,621,067,259.17
5. Step 5: Solve for x
   x = 3,526,621,067,259.17/2,153,500.15
6. Step 6: Final answer
   x = 1,637,622.86