Finding the Fourth Proportional to 2,072,191.66, 3,107,500.17 and 991,595.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072,191.66 : 3,107,500.17 = 991,595.02 : x
2. Step 2: Convert to fraction form
   2,072,191.66/3,107,500.17 = 991,595.02/x
3. Step 3: Cross multiply
   2,072,191.66x = 3,107,500.17 × 991,595.02
4. Step 4: Simplify right side
   2,072,191.66x = 3,081,381,693,221.15
5. Step 5: Solve for x
   x = 3,081,381,693,221.15/2,072,191.66
6. Step 6: Final answer
   x = 1,487,015.78