Finding the Fourth Proportional to 1,024,978,380, 1,539,920,328.96 and 657,233,826.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,024,978,380 : 1,539,920,328.96 = 657,233,826.96 : x
2. Step 2: Convert to fraction form
   1,024,978,380/1,539,920,328.96 = 657,233,826.96/x
3. Step 3: Cross multiply
   1,024,978,380x = 1,539,920,328.96 × 657,233,826.96
4. Step 4: Simplify right side
   1,024,978,380x = 1,012,087,731,015,883,008
5. Step 5: Solve for x
   x = 1,012,087,731,015,883,008/1,024,978,380
6. Step 6: Final answer
   x = 987,423,491.82