Finding the Fourth Proportional to 2,158,062.64, 2,978,110.02 and 1,191,192.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,062.64 : 2,978,110.02 = 1,191,192.82 : x
2. Step 2: Convert to fraction form
   2,158,062.64/2,978,110.02 = 1,191,192.82/x
3. Step 3: Cross multiply
   2,158,062.64x = 2,978,110.02 × 1,191,192.82
4. Step 4: Simplify right side
   2,158,062.64x = 3,547,503,272,994.06
5. Step 5: Solve for x
   x = 3,547,503,272,994.06/2,158,062.64
6. Step 6: Final answer
   x = 1,643,837.03