Finding the Fourth Proportional to 465,978,901.68, 698,786,702.82 and 174,687,084.81

Step by Step Solution

1. Step 1: Write the proportion equation
   465,978,901.68 : 698,786,702.82 = 174,687,084.81 : x
2. Step 2: Convert to fraction form
   465,978,901.68/698,786,702.82 = 174,687,084.81/x
3. Step 3: Cross multiply
   465,978,901.68x = 698,786,702.82 × 174,687,084.81
4. Step 4: Simplify right side
   465,978,901.68x = 122,069,012,019,617,616
5. Step 5: Solve for x
   x = 122,069,012,019,617,616/465,978,901.68
6. Step 6: Final answer
   x = 261,962,530.02