Finding the Fourth Proportional to 1,897,124.01, 2,845,723.05 and 698,429.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897,124.01 : 2,845,723.05 = 698,429.31 : x
2. Step 2: Convert to fraction form
   1,897,124.01/2,845,723.05 = 698,429.31/x
3. Step 3: Cross multiply
   1,897,124.01x = 2,845,723.05 × 698,429.31
4. Step 4: Simplify right side
   1,897,124.01x = 1,987,536,386,262.60
5. Step 5: Solve for x
   x = 1,987,536,386,262.60/1,897,124.01
6. Step 6: Final answer
   x = 1,047,657.60