Finding the Fourth Proportional to 2,128,416.42, 2,937,276.88 and 1,161,608.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,416.42 : 2,937,276.88 = 1,161,608.78 : x
2. Step 2: Convert to fraction form
   2,128,416.42/2,937,276.88 = 1,161,608.78/x
3. Step 3: Cross multiply
   2,128,416.42x = 2,937,276.88 × 1,161,608.78
4. Step 4: Simplify right side
   2,128,416.42x = 3,411,966,613,099.01
5. Step 5: Solve for x
   x = 3,411,966,613,099.01/2,128,416.42
6. Step 6: Final answer
   x = 1,603,054.07