Finding the Fourth Proportional to 2,128,337.91, 2,937,168.54 and 1,161,530.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,337.91 : 2,937,168.54 = 1,161,530.28 : x
2. Step 2: Convert to fraction form
   2,128,337.91/2,937,168.54 = 1,161,530.28/x
3. Step 3: Cross multiply
   2,128,337.91x = 2,937,168.54 × 1,161,530.28
4. Step 4: Simplify right side
   2,128,337.91x = 3,411,610,196,673.39
5. Step 5: Solve for x
   x = 3,411,610,196,673.39/2,128,337.91
6. Step 6: Final answer
   x = 1,602,945.74