Finding the Fourth Proportional to 569,089,925.02, 785,103,616.09 and 380,978,825.31

Step by Step Solution

1. Step 1: Write the proportion equation
   569,089,925.02 : 785,103,616.09 = 380,978,825.31 : x
2. Step 2: Convert to fraction form
   569,089,925.02/785,103,616.09 = 380,978,825.31/x
3. Step 3: Cross multiply
   569,089,925.02x = 785,103,616.09 × 380,978,825.31
4. Step 4: Simplify right side
   569,089,925.02x = 299,107,853,404,601,408
5. Step 5: Solve for x
   x = 299,107,853,404,601,408/569,089,925.02
6. Step 6: Final answer
   x = 525,589,788.63