Finding the Fourth Proportional to 1,549,993.55, 2,138,823.62 and 861,695.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,549,993.55 : 2,138,823.62 = 861,695.00 : x
2. Step 2: Convert to fraction form
   1,549,993.55/2,138,823.62 = 861,695.00/x
3. Step 3: Cross multiply
   1,549,993.55x = 2,138,823.62 × 861,695.00
4. Step 4: Simplify right side
   1,549,993.55x = 1,843,013,604,233.31
5. Step 5: Solve for x
   x = 1,843,013,604,233.31/1,549,993.55
6. Step 6: Final answer
   x = 1,189,045.99