Finding the Fourth Proportional to 1,513,272.82, 2,088,899.40 and 1,108,588.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513,272.82 : 2,088,899.40 = 1,108,588.81 : x
2. Step 2: Convert to fraction form
   1,513,272.82/2,088,899.40 = 1,108,588.81/x
3. Step 3: Cross multiply
   1,513,272.82x = 2,088,899.40 × 1,108,588.81
4. Step 4: Simplify right side
   1,513,272.82x = 2,315,730,500,055.71
5. Step 5: Solve for x
   x = 2,315,730,500,055.71/1,513,272.82
6. Step 6: Final answer
   x = 1,530,279.58