Finding the Fourth Proportional to 2,748,412.56, 4,122,640.71 and 1,128,764.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748,412.56 : 4,122,640.71 = 1,128,764.10 : x
2. Step 2: Convert to fraction form
   2,748,412.56/4,122,640.71 = 1,128,764.10/x
3. Step 3: Cross multiply
   2,748,412.56x = 4,122,640.71 × 1,128,764.10
4. Step 4: Simplify right side
   2,748,412.56x = 4,653,488,830,646.51
5. Step 5: Solve for x
   x = 4,653,488,830,646.51/2,748,412.56
6. Step 6: Final answer
   x = 1,693,155.13