Finding the Fourth Proportional to 1,897,111.83, 2,845,704.78 and 698,417.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897,111.83 : 2,845,704.78 = 698,417.13 : x
2. Step 2: Convert to fraction form
   1,897,111.83/2,845,704.78 = 698,417.13/x
3. Step 3: Cross multiply
   1,897,111.83x = 2,845,704.78 × 698,417.13
4. Step 4: Simplify right side
   1,897,111.83x = 1,987,488,965,274.88
5. Step 5: Solve for x
   x = 1,987,488,965,274.88/1,897,111.83
6. Step 6: Final answer
   x = 1,047,639.33