Finding the Fourth Proportional to 2,191,405.53, 3,024,081.60 and 1,224,543.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,405.53 : 3,024,081.60 = 1,224,543.77 : x
2. Step 2: Convert to fraction form
   2,191,405.53/3,024,081.60 = 1,224,543.77/x
3. Step 3: Cross multiply
   2,191,405.53x = 3,024,081.60 × 1,224,543.77
4. Step 4: Simplify right side
   2,191,405.53x = 3,703,120,268,131.22
5. Step 5: Solve for x
   x = 3,703,120,268,131.22/2,191,405.53
6. Step 6: Final answer
   x = 1,689,837.97