Finding the Fourth Proportional to 2,167,699.72, 2,991,425.22 and 1,200,892.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,699.72 : 2,991,425.22 = 1,200,892.84 : x
2. Step 2: Convert to fraction form
   2,167,699.72/2,991,425.22 = 1,200,892.84/x
3. Step 3: Cross multiply
   2,167,699.72x = 2,991,425.22 × 1,200,892.84
4. Step 4: Simplify right side
   2,167,699.72x = 3,592,381,128,093.43
5. Step 5: Solve for x
   x = 3,592,381,128,093.43/2,167,699.72
6. Step 6: Final answer
   x = 1,657,231.90