Finding the Fourth Proportional to 2,591,858.42, 3,887,344.52 and 698,156.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591,858.42 : 3,887,344.52 = 698,156.98 : x
2. Step 2: Convert to fraction form
   2,591,858.42/3,887,344.52 = 698,156.98/x
3. Step 3: Cross multiply
   2,591,858.42x = 3,887,344.52 × 698,156.98
4. Step 4: Simplify right side
   2,591,858.42x = 2,713,976,710,302.75
5. Step 5: Solve for x
   x = 2,713,976,710,302.75/2,591,858.42
6. Step 6: Final answer
   x = 1,047,116.11