Finding the Fourth Proportional to 2,191,985.58, 3,025,081.96 and 1,225,156.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,985.58 : 3,025,081.96 = 1,225,156.62 : x
2. Step 2: Convert to fraction form
   2,191,985.58/3,025,081.96 = 1,225,156.62/x
3. Step 3: Cross multiply
   2,191,985.58x = 3,025,081.96 × 1,225,156.62
4. Step 4: Simplify right side
   2,191,985.58x = 3,706,199,189,336.58
5. Step 5: Solve for x
   x = 3,706,199,189,336.58/2,191,985.58
6. Step 6: Final answer
   x = 1,690,795.42