Finding the Fourth Proportional to 658,078,992.72, 907,619,480.72 and 578,523,954

Step by Step Solution

1. Step 1: Write the proportion equation
   658,078,992.72 : 907,619,480.72 = 578,523,954 : x
2. Step 2: Convert to fraction form
   658,078,992.72/907,619,480.72 = 578,523,954/x
3. Step 3: Cross multiply
   658,078,992.72x = 907,619,480.72 × 578,523,954
4. Step 4: Simplify right side
   658,078,992.72x = 525,079,610,713,561,152
5. Step 5: Solve for x
   x = 525,079,610,713,561,152/658,078,992.72
6. Step 6: Final answer
   x = 797,897,541.97