Finding the Fourth Proportional to 2,138,887.89, 2,951,679.29 and 1,172,058.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,887.89 : 2,951,679.29 = 1,172,058.93 : x
2. Step 2: Convert to fraction form
   2,138,887.89/2,951,679.29 = 1,172,058.93/x
3. Step 3: Cross multiply
   2,138,887.89x = 2,951,679.29 × 1,172,058.93
4. Step 4: Simplify right side
   2,138,887.89x = 3,459,542,064,480.27
5. Step 5: Solve for x
   x = 3,459,542,064,480.27/2,138,887.89
6. Step 6: Final answer
   x = 1,617,448.99